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Finding the Third Proportional to 15,581 and 33,754

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Solution

The third proportional to 15,581 and 33,754 is: 73,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581 : 33,754 = 33,754 : x
  2. Step 2: Convert to fraction form
    15,581/33,754 = 33,754/x
  3. Step 3: Cross multiply
    15,581x = 33,754 × 33,754
  4. Step 4: Simplify right side
    15,581x = 1,139,332,516
  5. Step 5: Solve for x
    x = 1,139,332,516/15,581
  6. Step 6: Final answer
    x = 73,123.20

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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.