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Finding the Third Proportional to 11,196.75 and 15,918.75

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Solution

The third proportional to 11,196.75 and 15,918.75 is: 22,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.75 : 15,918.75 = 15,918.75 : x
  2. Step 2: Convert to fraction form
    11,196.75/15,918.75 = 15,918.75/x
  3. Step 3: Cross multiply
    11,196.75x = 15,918.75 × 15,918.75
  4. Step 4: Simplify right side
    11,196.75x = 253,406,601.56
  5. Step 5: Solve for x
    x = 253,406,601.56/11,196.75
  6. Step 6: Final answer
    x = 22,632.16

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.