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Finding the Third Proportional to 60,330 and 132,557

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Solution

The third proportional to 60,330 and 132,557 is: 291,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330 : 132,557 = 132,557 : x
  2. Step 2: Convert to fraction form
    60,330/132,557 = 132,557/x
  3. Step 3: Cross multiply
    60,330x = 132,557 × 132,557
  4. Step 4: Simplify right side
    60,330x = 17,571,358,249
  5. Step 5: Solve for x
    x = 17,571,358,249/60,330
  6. Step 6: Final answer
    x = 291,254.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.