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Finding the Third Proportional to 86,110.50 and 115,489.50

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Solution

The third proportional to 86,110.50 and 115,489.50 is: 154,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,110.50 : 115,489.50 = 115,489.50 : x
  2. Step 2: Convert to fraction form
    86,110.50/115,489.50 = 115,489.50/x
  3. Step 3: Cross multiply
    86,110.50x = 115,489.50 × 115,489.50
  4. Step 4: Simplify right side
    86,110.50x = 13,337,824,610.25
  5. Step 5: Solve for x
    x = 13,337,824,610.25/86,110.50
  6. Step 6: Final answer
    x = 154,891.97

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.