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Finding the Third Proportional to 103,668 and 158,779

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Solution

The third proportional to 103,668 and 158,779 is: 243,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668 : 158,779 = 158,779 : x
  2. Step 2: Convert to fraction form
    103,668/158,779 = 158,779/x
  3. Step 3: Cross multiply
    103,668x = 158,779 × 158,779
  4. Step 4: Simplify right side
    103,668x = 25,210,770,841
  5. Step 5: Solve for x
    x = 25,210,770,841/103,668
  6. Step 6: Final answer
    x = 243,187.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.