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Finding the Third Proportional to 11,715.75 and 25,107.75

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Solution

The third proportional to 11,715.75 and 25,107.75 is: 53,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.75 : 25,107.75 = 25,107.75 : x
  2. Step 2: Convert to fraction form
    11,715.75/25,107.75 = 25,107.75/x
  3. Step 3: Cross multiply
    11,715.75x = 25,107.75 × 25,107.75
  4. Step 4: Simplify right side
    11,715.75x = 630,399,110.06
  5. Step 5: Solve for x
    x = 630,399,110.06/11,715.75
  6. Step 6: Final answer
    x = 53,807.83

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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.