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Finding the Third Proportional to 11,965.50 and 25,560

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Solution

The third proportional to 11,965.50 and 25,560 is: 54,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.50 : 25,560 = 25,560 : x
  2. Step 2: Convert to fraction form
    11,965.50/25,560 = 25,560/x
  3. Step 3: Cross multiply
    11,965.50x = 25,560 × 25,560
  4. Step 4: Simplify right side
    11,965.50x = 653,313,600
  5. Step 5: Solve for x
    x = 653,313,600/11,965.50
  6. Step 6: Final answer
    x = 54,599.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.