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Finding the Third Proportional to 1,755 and 2,737.75

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Solution

The third proportional to 1,755 and 2,737.75 is: 4,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755 : 2,737.75 = 2,737.75 : x
  2. Step 2: Convert to fraction form
    1,755/2,737.75 = 2,737.75/x
  3. Step 3: Cross multiply
    1,755x = 2,737.75 × 2,737.75
  4. Step 4: Simplify right side
    1,755x = 7,495,275.06
  5. Step 5: Solve for x
    x = 7,495,275.06/1,755
  6. Step 6: Final answer
    x = 4,270.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.