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Finding the Third Proportional to 345,620 and 564,366

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Solution

The third proportional to 345,620 and 564,366 is: 921,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,620 : 564,366 = 564,366 : x
  2. Step 2: Convert to fraction form
    345,620/564,366 = 564,366/x
  3. Step 3: Cross multiply
    345,620x = 564,366 × 564,366
  4. Step 4: Simplify right side
    345,620x = 318,508,981,956
  5. Step 5: Solve for x
    x = 318,508,981,956/345,620
  6. Step 6: Final answer
    x = 921,558.31

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.