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Finding the Third Proportional to 717,449 and 1,574,849

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Solution

The third proportional to 717,449 and 1,574,849 is: 3,456,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,449 : 1,574,849 = 1,574,849 : x
  2. Step 2: Convert to fraction form
    717,449/1,574,849 = 1,574,849/x
  3. Step 3: Cross multiply
    717,449x = 1,574,849 × 1,574,849
  4. Step 4: Simplify right side
    717,449x = 2,480,149,372,801
  5. Step 5: Solve for x
    x = 2,480,149,372,801/717,449
  6. Step 6: Final answer
    x = 3,456,899.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.