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Finding the Third Proportional to 62,362 and 87,719

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Solution

The third proportional to 62,362 and 87,719 is: 123,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,362 : 87,719 = 87,719 : x
  2. Step 2: Convert to fraction form
    62,362/87,719 = 87,719/x
  3. Step 3: Cross multiply
    62,362x = 87,719 × 87,719
  4. Step 4: Simplify right side
    62,362x = 7,694,622,961
  5. Step 5: Solve for x
    x = 7,694,622,961/62,362
  6. Step 6: Final answer
    x = 123,386.40

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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.