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Finding the Third Proportional to 717,601 and 1,509,554

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Solution

The third proportional to 717,601 and 1,509,554 is: 3,175,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,601 : 1,509,554 = 1,509,554 : x
  2. Step 2: Convert to fraction form
    717,601/1,509,554 = 1,509,554/x
  3. Step 3: Cross multiply
    717,601x = 1,509,554 × 1,509,554
  4. Step 4: Simplify right side
    717,601x = 2,278,753,278,916
  5. Step 5: Solve for x
    x = 2,278,753,278,916/717,601
  6. Step 6: Final answer
    x = 3,175,515.75

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.