Home / 54,292-85,280

Finding the Third Proportional to 54,292 and 85,280

Calculator

Solution

The third proportional to 54,292 and 85,280 is: 133,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,292 : 85,280 = 85,280 : x
  2. Step 2: Convert to fraction form
    54,292/85,280 = 85,280/x
  3. Step 3: Cross multiply
    54,292x = 85,280 × 85,280
  4. Step 4: Simplify right side
    54,292x = 7,272,678,400
  5. Step 5: Solve for x
    x = 7,272,678,400/54,292
  6. Step 6: Final answer
    x = 133,954.88

Related Problems

Find third proportional to 27,146 and 42,640
Half scale
Find third proportional to 108,584 and 170,560
Double scale
Find third proportional to 54,294 and 85,283
Similar ratio
Find third proportional to 81,438 and 127,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.