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Finding the Third Proportional to 110,965.50 and 169,211.25

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Solution

The third proportional to 110,965.50 and 169,211.25 is: 258,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965.50 : 169,211.25 = 169,211.25 : x
  2. Step 2: Convert to fraction form
    110,965.50/169,211.25 = 169,211.25/x
  3. Step 3: Cross multiply
    110,965.50x = 169,211.25 × 169,211.25
  4. Step 4: Simplify right side
    110,965.50x = 28,632,447,126.56
  5. Step 5: Solve for x
    x = 28,632,447,126.56/110,965.50
  6. Step 6: Final answer
    x = 258,030.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.