Home / 78,686,441,882-120,871,999,438

Finding the Third Proportional to 78,686,441,882 and 120,871,999,438

Calculator

Solution

The third proportional to 78,686,441,882 and 120,871,999,438 is: 185,674,175,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,686,441,882 : 120,871,999,438 = 120,871,999,438 : x
  2. Step 2: Convert to fraction form
    78,686,441,882/120,871,999,438 = 120,871,999,438/x
  3. Step 3: Cross multiply
    78,686,441,882x = 120,871,999,438 × 120,871,999,438
  4. Step 4: Simplify right side
    78,686,441,882x = 14,610,040,248,139,872,468,992
  5. Step 5: Solve for x
    x = 14,610,040,248,139,872,468,992/78,686,441,882
  6. Step 6: Final answer
    x = 185,674,175,864.37

Related Problems

Find third proportional to 39,343,220,941 and 60,435,999,719
Half scale
Find third proportional to 157,372,883,764 and 241,743,998,876
Double scale
Find third proportional to 78,686,441,884 and 120,871,999,441
Similar ratio
Find third proportional to 118,029,662,823 and 181,307,999,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.