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Finding the Third Proportional to 322,730.50 and 473,727.75

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Solution

The third proportional to 322,730.50 and 473,727.75 is: 695,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.50 : 473,727.75 = 473,727.75 : x
  2. Step 2: Convert to fraction form
    322,730.50/473,727.75 = 473,727.75/x
  3. Step 3: Cross multiply
    322,730.50x = 473,727.75 × 473,727.75
  4. Step 4: Simplify right side
    322,730.50x = 224,417,981,120.06
  5. Step 5: Solve for x
    x = 224,417,981,120.06/322,730.50
  6. Step 6: Final answer
    x = 695,372.71

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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.