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Finding the Third Proportional to 11,481 and 13,560

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Solution

The third proportional to 11,481 and 13,560 is: 16,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481 : 13,560 = 13,560 : x
  2. Step 2: Convert to fraction form
    11,481/13,560 = 13,560/x
  3. Step 3: Cross multiply
    11,481x = 13,560 × 13,560
  4. Step 4: Simplify right side
    11,481x = 183,873,600
  5. Step 5: Solve for x
    x = 183,873,600/11,481
  6. Step 6: Final answer
    x = 16,015.47

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.