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Finding the Third Proportional to 274.13 and 591.63

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Solution

The third proportional to 274.13 and 591.63 is: 1,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.13 : 591.63 = 591.63 : x
  2. Step 2: Convert to fraction form
    274.13/591.63 = 591.63/x
  3. Step 3: Cross multiply
    274.13x = 591.63 × 591.63
  4. Step 4: Simplify right side
    274.13x = 350,020.14
  5. Step 5: Solve for x
    x = 350,020.14/274.13
  6. Step 6: Final answer
    x = 1,276.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.