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Finding the Third Proportional to 8,872.88 and 13,248.56

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Solution

The third proportional to 8,872.88 and 13,248.56 is: 19,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.88 : 13,248.56 = 13,248.56 : x
  2. Step 2: Convert to fraction form
    8,872.88/13,248.56 = 13,248.56/x
  3. Step 3: Cross multiply
    8,872.88x = 13,248.56 × 13,248.56
  4. Step 4: Simplify right side
    8,872.88x = 175,524,408.32
  5. Step 5: Solve for x
    x = 175,524,408.32/8,872.88
  6. Step 6: Final answer
    x = 19,782.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.