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Finding the Third Proportional to 36,989 and 80,899.75

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Solution

The third proportional to 36,989 and 80,899.75 is: 176,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989 : 80,899.75 = 80,899.75 : x
  2. Step 2: Convert to fraction form
    36,989/80,899.75 = 80,899.75/x
  3. Step 3: Cross multiply
    36,989x = 80,899.75 × 80,899.75
  4. Step 4: Simplify right side
    36,989x = 6,544,769,550.06
  5. Step 5: Solve for x
    x = 6,544,769,550.06/36,989
  6. Step 6: Final answer
    x = 176,938.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.