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Finding the Third Proportional to 71,453.25 and 111,260.25

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Solution

The third proportional to 71,453.25 and 111,260.25 is: 173,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.25 : 111,260.25 = 111,260.25 : x
  2. Step 2: Convert to fraction form
    71,453.25/111,260.25 = 111,260.25/x
  3. Step 3: Cross multiply
    71,453.25x = 111,260.25 × 111,260.25
  4. Step 4: Simplify right side
    71,453.25x = 12,378,843,230.06
  5. Step 5: Solve for x
    x = 12,378,843,230.06/71,453.25
  6. Step 6: Final answer
    x = 173,243.95

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.