Home / 38,663-82,387

Finding the Third Proportional to 38,663 and 82,387

Calculator

Solution

The third proportional to 38,663 and 82,387 is: 175,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663 : 82,387 = 82,387 : x
  2. Step 2: Convert to fraction form
    38,663/82,387 = 82,387/x
  3. Step 3: Cross multiply
    38,663x = 82,387 × 82,387
  4. Step 4: Simplify right side
    38,663x = 6,787,617,769
  5. Step 5: Solve for x
    x = 6,787,617,769/38,663
  6. Step 6: Final answer
    x = 175,558.49

Related Problems

Find third proportional to 19,331.50 and 41,193.50
Half scale
Find third proportional to 77,326 and 164,774
Double scale
Find third proportional to 38,665 and 82,391
Similar ratio
Find third proportional to 57,994.50 and 123,580.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.