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Finding the Third Proportional to 322,376 and 453,180

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Solution

The third proportional to 322,376 and 453,180 is: 637,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,376 : 453,180 = 453,180 : x
  2. Step 2: Convert to fraction form
    322,376/453,180 = 453,180/x
  3. Step 3: Cross multiply
    322,376x = 453,180 × 453,180
  4. Step 4: Simplify right side
    322,376x = 205,372,112,400
  5. Step 5: Solve for x
    x = 205,372,112,400/322,376
  6. Step 6: Final answer
    x = 637,057.70

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.