Home / 39,280-55,537

Finding the Third Proportional to 39,280 and 55,537

Calculator

Solution

The third proportional to 39,280 and 55,537 is: 78,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280 : 55,537 = 55,537 : x
  2. Step 2: Convert to fraction form
    39,280/55,537 = 55,537/x
  3. Step 3: Cross multiply
    39,280x = 55,537 × 55,537
  4. Step 4: Simplify right side
    39,280x = 3,084,358,369
  5. Step 5: Solve for x
    x = 3,084,358,369/39,280
  6. Step 6: Final answer
    x = 78,522.36

Related Problems

Find third proportional to 19,640 and 27,768.50
Half scale
Find third proportional to 78,560 and 111,074
Double scale
Find third proportional to 39,282 and 55,540
Similar ratio
Find third proportional to 58,920 and 83,305.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.