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Finding the Third Proportional to 297,486 and 453,195

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Solution

The third proportional to 297,486 and 453,195 is: 690,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,486 : 453,195 = 453,195 : x
  2. Step 2: Convert to fraction form
    297,486/453,195 = 453,195/x
  3. Step 3: Cross multiply
    297,486x = 453,195 × 453,195
  4. Step 4: Simplify right side
    297,486x = 205,385,708,025
  5. Step 5: Solve for x
    x = 205,385,708,025/297,486
  6. Step 6: Final answer
    x = 690,404.62

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.