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Finding the Third Proportional to 71,530.50 and 110,583.75

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Solution

The third proportional to 71,530.50 and 110,583.75 is: 170,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,530.50 : 110,583.75 = 110,583.75 : x
  2. Step 2: Convert to fraction form
    71,530.50/110,583.75 = 110,583.75/x
  3. Step 3: Cross multiply
    71,530.50x = 110,583.75 × 110,583.75
  4. Step 4: Simplify right side
    71,530.50x = 12,228,765,764.06
  5. Step 5: Solve for x
    x = 12,228,765,764.06/71,530.50
  6. Step 6: Final answer
    x = 170,958.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.