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Finding the Third Proportional to 1,170.84 and 2,449.90

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Solution

The third proportional to 1,170.84 and 2,449.90 is: 5,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.84 : 2,449.90 = 2,449.90 : x
  2. Step 2: Convert to fraction form
    1,170.84/2,449.90 = 2,449.90/x
  3. Step 3: Cross multiply
    1,170.84x = 2,449.90 × 2,449.90
  4. Step 4: Simplify right side
    1,170.84x = 6,002,002.35
  5. Step 5: Solve for x
    x = 6,002,002.35/1,170.84
  6. Step 6: Final answer
    x = 5,126.22

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.