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Finding the Third Proportional to 415,952 and 851,615

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Solution

The third proportional to 415,952 and 851,615 is: 1,743,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,952 : 851,615 = 851,615 : x
  2. Step 2: Convert to fraction form
    415,952/851,615 = 851,615/x
  3. Step 3: Cross multiply
    415,952x = 851,615 × 851,615
  4. Step 4: Simplify right side
    415,952x = 725,248,108,225
  5. Step 5: Solve for x
    x = 725,248,108,225/415,952
  6. Step 6: Final answer
    x = 1,743,586.06

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.