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Finding the Third Proportional to 481,131 and 672,651

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Solution

The third proportional to 481,131 and 672,651 is: 940,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,131 : 672,651 = 672,651 : x
  2. Step 2: Convert to fraction form
    481,131/672,651 = 672,651/x
  3. Step 3: Cross multiply
    481,131x = 672,651 × 672,651
  4. Step 4: Simplify right side
    481,131x = 452,459,367,801
  5. Step 5: Solve for x
    x = 452,459,367,801/481,131
  6. Step 6: Final answer
    x = 940,407.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.