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Finding the Third Proportional to 413,874 and 886,780

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Solution

The third proportional to 413,874 and 886,780 is: 1,900,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,874 : 886,780 = 886,780 : x
  2. Step 2: Convert to fraction form
    413,874/886,780 = 886,780/x
  3. Step 3: Cross multiply
    413,874x = 886,780 × 886,780
  4. Step 4: Simplify right side
    413,874x = 786,378,768,400
  5. Step 5: Solve for x
    x = 786,378,768,400/413,874
  6. Step 6: Final answer
    x = 1,900,043.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.