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Finding the Third Proportional to 355,332 and 521,982

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Solution

The third proportional to 355,332 and 521,982 is: 766,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,332 : 521,982 = 521,982 : x
  2. Step 2: Convert to fraction form
    355,332/521,982 = 521,982/x
  3. Step 3: Cross multiply
    355,332x = 521,982 × 521,982
  4. Step 4: Simplify right side
    355,332x = 272,465,208,324
  5. Step 5: Solve for x
    x = 272,465,208,324/355,332
  6. Step 6: Final answer
    x = 766,790.52

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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.