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Finding the Third Proportional to 111,010.50 and 169,278.75

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Solution

The third proportional to 111,010.50 and 169,278.75 is: 258,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.50 : 169,278.75 = 169,278.75 : x
  2. Step 2: Convert to fraction form
    111,010.50/169,278.75 = 169,278.75/x
  3. Step 3: Cross multiply
    111,010.50x = 169,278.75 × 169,278.75
  4. Step 4: Simplify right side
    111,010.50x = 28,655,295,201.56
  5. Step 5: Solve for x
    x = 28,655,295,201.56/111,010.50
  6. Step 6: Final answer
    x = 258,131.39

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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.