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Finding the Third Proportional to 451,600 and 664,924

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Solution

The third proportional to 451,600 and 664,924 is: 979,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,600 : 664,924 = 664,924 : x
  2. Step 2: Convert to fraction form
    451,600/664,924 = 664,924/x
  3. Step 3: Cross multiply
    451,600x = 664,924 × 664,924
  4. Step 4: Simplify right side
    451,600x = 442,123,925,776
  5. Step 5: Solve for x
    x = 442,123,925,776/451,600
  6. Step 6: Final answer
    x = 979,016.66

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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.