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Finding the Third Proportional to 787,568 and 1,717,680

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Solution

The third proportional to 787,568 and 1,717,680 is: 3,746,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,568 : 1,717,680 = 1,717,680 : x
  2. Step 2: Convert to fraction form
    787,568/1,717,680 = 1,717,680/x
  3. Step 3: Cross multiply
    787,568x = 1,717,680 × 1,717,680
  4. Step 4: Simplify right side
    787,568x = 2,950,424,582,400
  5. Step 5: Solve for x
    x = 2,950,424,582,400/787,568
  6. Step 6: Final answer
    x = 3,746,247.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.