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Finding the Third Proportional to 762,874 and 1,658,587

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Solution

The third proportional to 762,874 and 1,658,587 is: 3,605,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,874 : 1,658,587 = 1,658,587 : x
  2. Step 2: Convert to fraction form
    762,874/1,658,587 = 1,658,587/x
  3. Step 3: Cross multiply
    762,874x = 1,658,587 × 1,658,587
  4. Step 4: Simplify right side
    762,874x = 2,750,910,836,569
  5. Step 5: Solve for x
    x = 2,750,910,836,569/762,874
  6. Step 6: Final answer
    x = 3,605,983.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.