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Finding the Third Proportional to 2,238.75 and 3,529.97

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Solution

The third proportional to 2,238.75 and 3,529.97 is: 5,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.75 : 3,529.97 = 3,529.97 : x
  2. Step 2: Convert to fraction form
    2,238.75/3,529.97 = 3,529.97/x
  3. Step 3: Cross multiply
    2,238.75x = 3,529.97 × 3,529.97
  4. Step 4: Simplify right side
    2,238.75x = 12,460,679.38
  5. Step 5: Solve for x
    x = 12,460,679.38/2,238.75
  6. Step 6: Final answer
    x = 5,565.91

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.