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Finding the Third Proportional to 5,564 and 8,591.25

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Solution

The third proportional to 5,564 and 8,591.25 is: 13,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564 : 8,591.25 = 8,591.25 : x
  2. Step 2: Convert to fraction form
    5,564/8,591.25 = 8,591.25/x
  3. Step 3: Cross multiply
    5,564x = 8,591.25 × 8,591.25
  4. Step 4: Simplify right side
    5,564x = 73,809,576.56
  5. Step 5: Solve for x
    x = 73,809,576.56/5,564
  6. Step 6: Final answer
    x = 13,265.56

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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.