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Finding the Third Proportional to 408,080 and 573,645

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Solution

The third proportional to 408,080 and 573,645 is: 806,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,080 : 573,645 = 573,645 : x
  2. Step 2: Convert to fraction form
    408,080/573,645 = 573,645/x
  3. Step 3: Cross multiply
    408,080x = 573,645 × 573,645
  4. Step 4: Simplify right side
    408,080x = 329,068,586,025
  5. Step 5: Solve for x
    x = 329,068,586,025/408,080
  6. Step 6: Final answer
    x = 806,382.54

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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.