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Finding the Third Proportional to 331,792 and 725,677

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Solution

The third proportional to 331,792 and 725,677 is: 1,587,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,792 : 725,677 = 725,677 : x
  2. Step 2: Convert to fraction form
    331,792/725,677 = 725,677/x
  3. Step 3: Cross multiply
    331,792x = 725,677 × 725,677
  4. Step 4: Simplify right side
    331,792x = 526,607,108,329
  5. Step 5: Solve for x
    x = 526,607,108,329/331,792
  6. Step 6: Final answer
    x = 1,587,160.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.