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Finding the Third Proportional to 74,255.48 and 111,385.13

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Solution

The third proportional to 74,255.48 and 111,385.13 is: 167,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.48 : 111,385.13 = 111,385.13 : x
  2. Step 2: Convert to fraction form
    74,255.48/111,385.13 = 111,385.13/x
  3. Step 3: Cross multiply
    74,255.48x = 111,385.13 × 111,385.13
  4. Step 4: Simplify right side
    74,255.48x = 12,406,646,071.27
  5. Step 5: Solve for x
    x = 12,406,646,071.27/74,255.48
  6. Step 6: Final answer
    x = 167,080.54

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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.