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Finding the Third Proportional to 1,244.53 and 2,695.78

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Solution

The third proportional to 1,244.53 and 2,695.78 is: 5,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.53 : 2,695.78 = 2,695.78 : x
  2. Step 2: Convert to fraction form
    1,244.53/2,695.78 = 2,695.78/x
  3. Step 3: Cross multiply
    1,244.53x = 2,695.78 × 2,695.78
  4. Step 4: Simplify right side
    1,244.53x = 7,267,236.55
  5. Step 5: Solve for x
    x = 7,267,236.55/1,244.53
  6. Step 6: Final answer
    x = 5,839.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.