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Finding the Third Proportional to 78,785 and 118,236

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Solution

The third proportional to 78,785 and 118,236 is: 177,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785 : 118,236 = 118,236 : x
  2. Step 2: Convert to fraction form
    78,785/118,236 = 118,236/x
  3. Step 3: Cross multiply
    78,785x = 118,236 × 118,236
  4. Step 4: Simplify right side
    78,785x = 13,979,751,696
  5. Step 5: Solve for x
    x = 13,979,751,696/78,785
  6. Step 6: Final answer
    x = 177,441.79

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