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Finding the Third Proportional to 451,598.50 and 664,921.75

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Solution

The third proportional to 451,598.50 and 664,921.75 is: 979,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,598.50 : 664,921.75 = 664,921.75 : x
  2. Step 2: Convert to fraction form
    451,598.50/664,921.75 = 664,921.75/x
  3. Step 3: Cross multiply
    451,598.50x = 664,921.75 × 664,921.75
  4. Step 4: Simplify right side
    451,598.50x = 442,120,933,623.06
  5. Step 5: Solve for x
    x = 442,120,933,623.06/451,598.50
  6. Step 6: Final answer
    x = 979,013.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.