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Finding the Third Proportional to 103,320 and 218,934

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Solution

The third proportional to 103,320 and 218,934 is: 463,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320 : 218,934 = 218,934 : x
  2. Step 2: Convert to fraction form
    103,320/218,934 = 218,934/x
  3. Step 3: Cross multiply
    103,320x = 218,934 × 218,934
  4. Step 4: Simplify right side
    103,320x = 47,932,096,356
  5. Step 5: Solve for x
    x = 47,932,096,356/103,320
  6. Step 6: Final answer
    x = 463,918.86

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.