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Finding the Third Proportional to 485,466 and 753,759

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Solution

The third proportional to 485,466 and 753,759 is: 1,170,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,466 : 753,759 = 753,759 : x
  2. Step 2: Convert to fraction form
    485,466/753,759 = 753,759/x
  3. Step 3: Cross multiply
    485,466x = 753,759 × 753,759
  4. Step 4: Simplify right side
    485,466x = 568,152,630,081
  5. Step 5: Solve for x
    x = 568,152,630,081/485,466
  6. Step 6: Final answer
    x = 1,170,324.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.