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Finding the Third Proportional to 15,876.75 and 34,887.75

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Solution

The third proportional to 15,876.75 and 34,887.75 is: 76,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.75 : 34,887.75 = 34,887.75 : x
  2. Step 2: Convert to fraction form
    15,876.75/34,887.75 = 34,887.75/x
  3. Step 3: Cross multiply
    15,876.75x = 34,887.75 × 34,887.75
  4. Step 4: Simplify right side
    15,876.75x = 1,217,155,100.06
  5. Step 5: Solve for x
    x = 1,217,155,100.06/15,876.75
  6. Step 6: Final answer
    x = 76,662.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.