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Finding the Third Proportional to 79,945 and 115,497.75

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Solution

The third proportional to 79,945 and 115,497.75 is: 166,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945 : 115,497.75 = 115,497.75 : x
  2. Step 2: Convert to fraction form
    79,945/115,497.75 = 115,497.75/x
  3. Step 3: Cross multiply
    79,945x = 115,497.75 × 115,497.75
  4. Step 4: Simplify right side
    79,945x = 13,339,730,255.06
  5. Step 5: Solve for x
    x = 13,339,730,255.06/79,945
  6. Step 6: Final answer
    x = 166,861.35

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.