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Finding the Third Proportional to 11,160.75 and 14,811.75

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Solution

The third proportional to 11,160.75 and 14,811.75 is: 19,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.75 : 14,811.75 = 14,811.75 : x
  2. Step 2: Convert to fraction form
    11,160.75/14,811.75 = 14,811.75/x
  3. Step 3: Cross multiply
    11,160.75x = 14,811.75 × 14,811.75
  4. Step 4: Simplify right side
    11,160.75x = 219,387,938.06
  5. Step 5: Solve for x
    x = 219,387,938.06/11,160.75
  6. Step 6: Final answer
    x = 19,657.10

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.