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Finding the Third Proportional to 242,032 and 355,272

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Solution

The third proportional to 242,032 and 355,272 is: 521,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,032 : 355,272 = 355,272 : x
  2. Step 2: Convert to fraction form
    242,032/355,272 = 355,272/x
  3. Step 3: Cross multiply
    242,032x = 355,272 × 355,272
  4. Step 4: Simplify right side
    242,032x = 126,218,193,984
  5. Step 5: Solve for x
    x = 126,218,193,984/242,032
  6. Step 6: Final answer
    x = 521,493.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.