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Finding the Third Proportional to 11,510.44 and 15,135.19

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Solution

The third proportional to 11,510.44 and 15,135.19 is: 19,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.44 : 15,135.19 = 15,135.19 : x
  2. Step 2: Convert to fraction form
    11,510.44/15,135.19 = 15,135.19/x
  3. Step 3: Cross multiply
    11,510.44x = 15,135.19 × 15,135.19
  4. Step 4: Simplify right side
    11,510.44x = 229,073,900.66
  5. Step 5: Solve for x
    x = 229,073,900.66/11,510.44
  6. Step 6: Final answer
    x = 19,901.41

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.