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Finding the Third Proportional to 331,624 and 710,560

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Solution

The third proportional to 331,624 and 710,560 is: 1,522,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,624 : 710,560 = 710,560 : x
  2. Step 2: Convert to fraction form
    331,624/710,560 = 710,560/x
  3. Step 3: Cross multiply
    331,624x = 710,560 × 710,560
  4. Step 4: Simplify right side
    331,624x = 504,895,513,600
  5. Step 5: Solve for x
    x = 504,895,513,600/331,624
  6. Step 6: Final answer
    x = 1,522,493.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.