Home / 56,982-121,740

Finding the Third Proportional to 56,982 and 121,740

Calculator

Solution

The third proportional to 56,982 and 121,740 is: 260,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,982 : 121,740 = 121,740 : x
  2. Step 2: Convert to fraction form
    56,982/121,740 = 121,740/x
  3. Step 3: Cross multiply
    56,982x = 121,740 × 121,740
  4. Step 4: Simplify right side
    56,982x = 14,820,627,600
  5. Step 5: Solve for x
    x = 14,820,627,600/56,982
  6. Step 6: Final answer
    x = 260,093.15

Related Problems

Find third proportional to 28,491 and 60,870
Half scale
Find third proportional to 113,964 and 243,480
Double scale
Find third proportional to 56,984 and 121,744
Similar ratio
Find third proportional to 85,473 and 182,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.