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Finding the Third Proportional to 322,731 and 473,728.50

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Solution

The third proportional to 322,731 and 473,728.50 is: 695,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731 : 473,728.50 = 473,728.50 : x
  2. Step 2: Convert to fraction form
    322,731/473,728.50 = 473,728.50/x
  3. Step 3: Cross multiply
    322,731x = 473,728.50 × 473,728.50
  4. Step 4: Simplify right side
    322,731x = 224,418,691,712.25
  5. Step 5: Solve for x
    x = 224,418,691,712.25/322,731
  6. Step 6: Final answer
    x = 695,373.83

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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.