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Finding the Third Proportional to 425,757 and 709,568

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Solution

The third proportional to 425,757 and 709,568 is: 1,182,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,757 : 709,568 = 709,568 : x
  2. Step 2: Convert to fraction form
    425,757/709,568 = 709,568/x
  3. Step 3: Cross multiply
    425,757x = 709,568 × 709,568
  4. Step 4: Simplify right side
    425,757x = 503,486,746,624
  5. Step 5: Solve for x
    x = 503,486,746,624/425,757
  6. Step 6: Final answer
    x = 1,182,568.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.