Home / 55,513-84,651

Finding the Third Proportional to 55,513 and 84,651

Calculator

Solution

The third proportional to 55,513 and 84,651 is: 129,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513 : 84,651 = 84,651 : x
  2. Step 2: Convert to fraction form
    55,513/84,651 = 84,651/x
  3. Step 3: Cross multiply
    55,513x = 84,651 × 84,651
  4. Step 4: Simplify right side
    55,513x = 7,165,791,801
  5. Step 5: Solve for x
    x = 7,165,791,801/55,513
  6. Step 6: Final answer
    x = 129,083.13

Related Problems

Find third proportional to 27,756.50 and 42,325.50
Half scale
Find third proportional to 111,026 and 169,302
Double scale
Find third proportional to 55,515 and 84,654
Similar ratio
Find third proportional to 83,269.50 and 126,976.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.