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Finding the Third Proportional to 51,217.50 and 104,965.50

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Solution

The third proportional to 51,217.50 and 104,965.50 is: 215,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.50 : 104,965.50 = 104,965.50 : x
  2. Step 2: Convert to fraction form
    51,217.50/104,965.50 = 104,965.50/x
  3. Step 3: Cross multiply
    51,217.50x = 104,965.50 × 104,965.50
  4. Step 4: Simplify right side
    51,217.50x = 11,017,756,190.25
  5. Step 5: Solve for x
    x = 11,017,756,190.25/51,217.50
  6. Step 6: Final answer
    x = 215,117.02

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.