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Finding the Third Proportional to 442,272 and 662,712.75

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Solution

The third proportional to 442,272 and 662,712.75 is: 993,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,272 : 662,712.75 = 662,712.75 : x
  2. Step 2: Convert to fraction form
    442,272/662,712.75 = 662,712.75/x
  3. Step 3: Cross multiply
    442,272x = 662,712.75 × 662,712.75
  4. Step 4: Simplify right side
    442,272x = 439,188,189,012.56
  5. Step 5: Solve for x
    x = 439,188,189,012.56/442,272
  6. Step 6: Final answer
    x = 993,027.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.