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Finding the Third Proportional to 1,679,792 and 2,585,439

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Solution

The third proportional to 1,679,792 and 2,585,439 is: 3,979,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,792 : 2,585,439 = 2,585,439 : x
  2. Step 2: Convert to fraction form
    1,679,792/2,585,439 = 2,585,439/x
  3. Step 3: Cross multiply
    1,679,792x = 2,585,439 × 2,585,439
  4. Step 4: Simplify right side
    1,679,792x = 6,684,494,822,721
  5. Step 5: Solve for x
    x = 6,684,494,822,721/1,679,792
  6. Step 6: Final answer
    x = 3,979,358.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.