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Finding the Third Proportional to 831.52 and 1,446.61

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Solution

The third proportional to 831.52 and 1,446.61 is: 2,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831.52 : 1,446.61 = 1,446.61 : x
  2. Step 2: Convert to fraction form
    831.52/1,446.61 = 1,446.61/x
  3. Step 3: Cross multiply
    831.52x = 1,446.61 × 1,446.61
  4. Step 4: Simplify right side
    831.52x = 2,092,678.68
  5. Step 5: Solve for x
    x = 2,092,678.68/831.52
  6. Step 6: Final answer
    x = 2,516.70

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.