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Finding the Third Proportional to 73,645.50 and 115,206.75

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Solution

The third proportional to 73,645.50 and 115,206.75 is: 180,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645.50 : 115,206.75 = 115,206.75 : x
  2. Step 2: Convert to fraction form
    73,645.50/115,206.75 = 115,206.75/x
  3. Step 3: Cross multiply
    73,645.50x = 115,206.75 × 115,206.75
  4. Step 4: Simplify right side
    73,645.50x = 13,272,595,245.56
  5. Step 5: Solve for x
    x = 13,272,595,245.56/73,645.50
  6. Step 6: Final answer
    x = 180,222.76

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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.