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Finding the Third Proportional to 5,529 and 8,561.25

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Solution

The third proportional to 5,529 and 8,561.25 is: 13,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529 : 8,561.25 = 8,561.25 : x
  2. Step 2: Convert to fraction form
    5,529/8,561.25 = 8,561.25/x
  3. Step 3: Cross multiply
    5,529x = 8,561.25 × 8,561.25
  4. Step 4: Simplify right side
    5,529x = 73,295,001.56
  5. Step 5: Solve for x
    x = 73,295,001.56/5,529
  6. Step 6: Final answer
    x = 13,256.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.