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Finding the Third Proportional to 664,254 and 1,031,373

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Solution

The third proportional to 664,254 and 1,031,373 is: 1,601,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,254 : 1,031,373 = 1,031,373 : x
  2. Step 2: Convert to fraction form
    664,254/1,031,373 = 1,031,373/x
  3. Step 3: Cross multiply
    664,254x = 1,031,373 × 1,031,373
  4. Step 4: Simplify right side
    664,254x = 1,063,730,265,129
  5. Step 5: Solve for x
    x = 1,063,730,265,129/664,254
  6. Step 6: Final answer
    x = 1,601,390.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.