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Finding the Third Proportional to 374.81 and 868.13

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Solution

The third proportional to 374.81 and 868.13 is: 2,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.81 : 868.13 = 868.13 : x
  2. Step 2: Convert to fraction form
    374.81/868.13 = 868.13/x
  3. Step 3: Cross multiply
    374.81x = 868.13 × 868.13
  4. Step 4: Simplify right side
    374.81x = 753,641.02
  5. Step 5: Solve for x
    x = 753,641.02/374.81
  6. Step 6: Final answer
    x = 2,010.71

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.