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Finding the Third Proportional to 148,293 and 326,103

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Solution

The third proportional to 148,293 and 326,103 is: 717,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,293 : 326,103 = 326,103 : x
  2. Step 2: Convert to fraction form
    148,293/326,103 = 326,103/x
  3. Step 3: Cross multiply
    148,293x = 326,103 × 326,103
  4. Step 4: Simplify right side
    148,293x = 106,343,166,609
  5. Step 5: Solve for x
    x = 106,343,166,609/148,293
  6. Step 6: Final answer
    x = 717,115.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.