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Finding the Third Proportional to 332,734 and 721,518

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Solution

The third proportional to 332,734 and 721,518 is: 1,564,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,734 : 721,518 = 721,518 : x
  2. Step 2: Convert to fraction form
    332,734/721,518 = 721,518/x
  3. Step 3: Cross multiply
    332,734x = 721,518 × 721,518
  4. Step 4: Simplify right side
    332,734x = 520,588,224,324
  5. Step 5: Solve for x
    x = 520,588,224,324/332,734
  6. Step 6: Final answer
    x = 1,564,577.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.