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Finding the Third Proportional to 79,580.25 and 124,213.50

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Solution

The third proportional to 79,580.25 and 124,213.50 is: 193,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,580.25 : 124,213.50 = 124,213.50 : x
  2. Step 2: Convert to fraction form
    79,580.25/124,213.50 = 124,213.50/x
  3. Step 3: Cross multiply
    79,580.25x = 124,213.50 × 124,213.50
  4. Step 4: Simplify right side
    79,580.25x = 15,428,993,582.25
  5. Step 5: Solve for x
    x = 15,428,993,582.25/79,580.25
  6. Step 6: Final answer
    x = 193,879.68

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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.