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Finding the Third Proportional to 11,657.25 and 18,538.88

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Solution

The third proportional to 11,657.25 and 18,538.88 is: 29,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.25 : 18,538.88 = 18,538.88 : x
  2. Step 2: Convert to fraction form
    11,657.25/18,538.88 = 18,538.88/x
  3. Step 3: Cross multiply
    11,657.25x = 18,538.88 × 18,538.88
  4. Step 4: Simplify right side
    11,657.25x = 343,689,886.27
  5. Step 5: Solve for x
    x = 343,689,886.27/11,657.25
  6. Step 6: Final answer
    x = 29,482.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.