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Finding the Third Proportional to 149,323.50 and 231,207.75

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Solution

The third proportional to 149,323.50 and 231,207.75 is: 357,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323.50 : 231,207.75 = 231,207.75 : x
  2. Step 2: Convert to fraction form
    149,323.50/231,207.75 = 231,207.75/x
  3. Step 3: Cross multiply
    149,323.50x = 231,207.75 × 231,207.75
  4. Step 4: Simplify right side
    149,323.50x = 53,457,023,660.06
  5. Step 5: Solve for x
    x = 53,457,023,660.06/149,323.50
  6. Step 6: Final answer
    x = 357,994.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.