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Finding the Third Proportional to 78,852.75 and 118,162.13

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Solution

The third proportional to 78,852.75 and 118,162.13 is: 177,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.75 : 118,162.13 = 118,162.13 : x
  2. Step 2: Convert to fraction form
    78,852.75/118,162.13 = 118,162.13/x
  3. Step 3: Cross multiply
    78,852.75x = 118,162.13 × 118,162.13
  4. Step 4: Simplify right side
    78,852.75x = 13,962,287,784.52
  5. Step 5: Solve for x
    x = 13,962,287,784.52/78,852.75
  6. Step 6: Final answer
    x = 177,067.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.