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Finding the Third Proportional to 414 and 792

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Solution

The third proportional to 414 and 792 is: 1,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    414 : 792 = 792 : x
  2. Step 2: Convert to fraction form
    414/792 = 792/x
  3. Step 3: Cross multiply
    414x = 792 × 792
  4. Step 4: Simplify right side
    414x = 627,264
  5. Step 5: Solve for x
    x = 627,264/414
  6. Step 6: Final answer
    x = 1,515.13

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.