Home / 65,432,876-137,634,768

Finding the Third Proportional to 65,432,876 and 137,634,768

Calculator

Solution

The third proportional to 65,432,876 and 137,634,768 is: 289,507,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,432,876 : 137,634,768 = 137,634,768 : x
  2. Step 2: Convert to fraction form
    65,432,876/137,634,768 = 137,634,768/x
  3. Step 3: Cross multiply
    65,432,876x = 137,634,768 × 137,634,768
  4. Step 4: Simplify right side
    65,432,876x = 18,943,329,362,413,824
  5. Step 5: Solve for x
    x = 18,943,329,362,413,824/65,432,876
  6. Step 6: Final answer
    x = 289,507,821.15

Related Problems

Find third proportional to 32,716,438 and 68,817,384
Half scale
Find third proportional to 130,865,752 and 275,269,536
Double scale
Find third proportional to 65,432,878 and 137,634,772
Similar ratio
Find third proportional to 98,149,314 and 206,452,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.