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Finding the Third Proportional to 148,131 and 328,291.88

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Solution

The third proportional to 148,131 and 328,291.88 is: 727,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,131 : 328,291.88 = 328,291.88 : x
  2. Step 2: Convert to fraction form
    148,131/328,291.88 = 328,291.88/x
  3. Step 3: Cross multiply
    148,131x = 328,291.88 × 328,291.88
  4. Step 4: Simplify right side
    148,131x = 107,775,555,191.02
  5. Step 5: Solve for x
    x = 107,775,555,191.02/148,131
  6. Step 6: Final answer
    x = 727,569.21

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.