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Finding the Third Proportional to 481,122.91 and 672,637.92

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Solution

The third proportional to 481,122.91 and 672,637.92 is: 940,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,122.91 : 672,637.92 = 672,637.92 : x
  2. Step 2: Convert to fraction form
    481,122.91/672,637.92 = 672,637.92/x
  3. Step 3: Cross multiply
    481,122.91x = 672,637.92 × 672,637.92
  4. Step 4: Simplify right side
    481,122.91x = 452,441,773,944.32
  5. Step 5: Solve for x
    x = 452,441,773,944.32/481,122.91
  6. Step 6: Final answer
    x = 940,387.08

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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.