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Finding the Third Proportional to 5,481 and 8,527.50

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Solution

The third proportional to 5,481 and 8,527.50 is: 13,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481 : 8,527.50 = 8,527.50 : x
  2. Step 2: Convert to fraction form
    5,481/8,527.50 = 8,527.50/x
  3. Step 3: Cross multiply
    5,481x = 8,527.50 × 8,527.50
  4. Step 4: Simplify right side
    5,481x = 72,718,256.25
  5. Step 5: Solve for x
    x = 72,718,256.25/5,481
  6. Step 6: Final answer
    x = 13,267.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.