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Finding the Third Proportional to 79,080 and 118,945

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Solution

The third proportional to 79,080 and 118,945 is: 178,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,080 : 118,945 = 118,945 : x
  2. Step 2: Convert to fraction form
    79,080/118,945 = 118,945/x
  3. Step 3: Cross multiply
    79,080x = 118,945 × 118,945
  4. Step 4: Simplify right side
    79,080x = 14,147,913,025
  5. Step 5: Solve for x
    x = 14,147,913,025/79,080
  6. Step 6: Final answer
    x = 178,906.34

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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.