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Finding the Third Proportional to 664,479 and 996,510

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Solution

The third proportional to 664,479 and 996,510 is: 1,494,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,479 : 996,510 = 996,510 : x
  2. Step 2: Convert to fraction form
    664,479/996,510 = 996,510/x
  3. Step 3: Cross multiply
    664,479x = 996,510 × 996,510
  4. Step 4: Simplify right side
    664,479x = 993,032,180,100
  5. Step 5: Solve for x
    x = 993,032,180,100/664,479
  6. Step 6: Final answer
    x = 1,494,452.32

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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.