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Finding the Third Proportional to 71,779.50 and 167,663.25

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Solution

The third proportional to 71,779.50 and 167,663.25 is: 391,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,779.50 : 167,663.25 = 167,663.25 : x
  2. Step 2: Convert to fraction form
    71,779.50/167,663.25 = 167,663.25/x
  3. Step 3: Cross multiply
    71,779.50x = 167,663.25 × 167,663.25
  4. Step 4: Simplify right side
    71,779.50x = 28,110,965,400.56
  5. Step 5: Solve for x
    x = 28,110,965,400.56/71,779.50
  6. Step 6: Final answer
    x = 391,629.44

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.