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Finding the Third Proportional to 297,445 and 453,136

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Solution

The third proportional to 297,445 and 453,136 is: 690,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,445 : 453,136 = 453,136 : x
  2. Step 2: Convert to fraction form
    297,445/453,136 = 453,136/x
  3. Step 3: Cross multiply
    297,445x = 453,136 × 453,136
  4. Step 4: Simplify right side
    297,445x = 205,332,234,496
  5. Step 5: Solve for x
    x = 205,332,234,496/297,445
  6. Step 6: Final answer
    x = 690,320.01

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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.