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Finding the Third Proportional to 132,387 and 202,044

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Solution

The third proportional to 132,387 and 202,044 is: 308,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387 : 202,044 = 202,044 : x
  2. Step 2: Convert to fraction form
    132,387/202,044 = 202,044/x
  3. Step 3: Cross multiply
    132,387x = 202,044 × 202,044
  4. Step 4: Simplify right side
    132,387x = 40,821,777,936
  5. Step 5: Solve for x
    x = 40,821,777,936/132,387
  6. Step 6: Final answer
    x = 308,351.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.