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Finding the Third Proportional to 2,313.75 and 3,561

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Solution

The third proportional to 2,313.75 and 3,561 is: 5,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.75 : 3,561 = 3,561 : x
  2. Step 2: Convert to fraction form
    2,313.75/3,561 = 3,561/x
  3. Step 3: Cross multiply
    2,313.75x = 3,561 × 3,561
  4. Step 4: Simplify right side
    2,313.75x = 12,680,721
  5. Step 5: Solve for x
    x = 12,680,721/2,313.75
  6. Step 6: Final answer
    x = 5,480.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.