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Finding the Third Proportional to 652,446 and 918,774

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Solution

The third proportional to 652,446 and 918,774 is: 1,293,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,446 : 918,774 = 918,774 : x
  2. Step 2: Convert to fraction form
    652,446/918,774 = 918,774/x
  3. Step 3: Cross multiply
    652,446x = 918,774 × 918,774
  4. Step 4: Simplify right side
    652,446x = 844,145,663,076
  5. Step 5: Solve for x
    x = 844,145,663,076/652,446
  6. Step 6: Final answer
    x = 1,293,816.90

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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.