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Finding the Third Proportional to 443,702 and 665,337

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Solution

The third proportional to 443,702 and 665,337 is: 997,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,702 : 665,337 = 665,337 : x
  2. Step 2: Convert to fraction form
    443,702/665,337 = 665,337/x
  3. Step 3: Cross multiply
    443,702x = 665,337 × 665,337
  4. Step 4: Simplify right side
    443,702x = 442,673,323,569
  5. Step 5: Solve for x
    x = 442,673,323,569/443,702
  6. Step 6: Final answer
    x = 997,681.61

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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.