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Finding the Third Proportional to 103,640 and 223,134

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Solution

The third proportional to 103,640 and 223,134 is: 480,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640 : 223,134 = 223,134 : x
  2. Step 2: Convert to fraction form
    103,640/223,134 = 223,134/x
  3. Step 3: Cross multiply
    103,640x = 223,134 × 223,134
  4. Step 4: Simplify right side
    103,640x = 49,788,781,956
  5. Step 5: Solve for x
    x = 49,788,781,956/103,640
  6. Step 6: Final answer
    x = 480,401.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.