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Finding the Third Proportional to 481,117.50 and 672,631.88

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Solution

The third proportional to 481,117.50 and 672,631.88 is: 940,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,117.50 : 672,631.88 = 672,631.88 : x
  2. Step 2: Convert to fraction form
    481,117.50/672,631.88 = 672,631.88/x
  3. Step 3: Cross multiply
    481,117.50x = 672,631.88 × 672,631.88
  4. Step 4: Simplify right side
    481,117.50x = 452,433,639,266.02
  5. Step 5: Solve for x
    x = 452,433,639,266.02/481,117.50
  6. Step 6: Final answer
    x = 940,380.76

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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.