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Finding the Third Proportional to 60,802 and 90,960

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Solution

The third proportional to 60,802 and 90,960 is: 136,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,802 : 90,960 = 90,960 : x
  2. Step 2: Convert to fraction form
    60,802/90,960 = 90,960/x
  3. Step 3: Cross multiply
    60,802x = 90,960 × 90,960
  4. Step 4: Simplify right side
    60,802x = 8,273,721,600
  5. Step 5: Solve for x
    x = 8,273,721,600/60,802
  6. Step 6: Final answer
    x = 136,076.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.