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Finding the Third Proportional to 378,598 and 564,616

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Solution

The third proportional to 378,598 and 564,616 is: 842,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,598 : 564,616 = 564,616 : x
  2. Step 2: Convert to fraction form
    378,598/564,616 = 564,616/x
  3. Step 3: Cross multiply
    378,598x = 564,616 × 564,616
  4. Step 4: Simplify right side
    378,598x = 318,791,227,456
  5. Step 5: Solve for x
    x = 318,791,227,456/378,598
  6. Step 6: Final answer
    x = 842,030.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.