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Finding the Third Proportional to 145,291.50 and 218,085.75

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Solution

The third proportional to 145,291.50 and 218,085.75 is: 327,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,291.50 : 218,085.75 = 218,085.75 : x
  2. Step 2: Convert to fraction form
    145,291.50/218,085.75 = 218,085.75/x
  3. Step 3: Cross multiply
    145,291.50x = 218,085.75 × 218,085.75
  4. Step 4: Simplify right side
    145,291.50x = 47,561,394,353.06
  5. Step 5: Solve for x
    x = 47,561,394,353.06/145,291.50
  6. Step 6: Final answer
    x = 327,351.53

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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.