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Finding the Third Proportional to 3,527 and 5,581

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Solution

The third proportional to 3,527 and 5,581 is: 8,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527 : 5,581 = 5,581 : x
  2. Step 2: Convert to fraction form
    3,527/5,581 = 5,581/x
  3. Step 3: Cross multiply
    3,527x = 5,581 × 5,581
  4. Step 4: Simplify right side
    3,527x = 31,147,561
  5. Step 5: Solve for x
    x = 31,147,561/3,527
  6. Step 6: Final answer
    x = 8,831.18

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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.