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Finding the Third Proportional to 102,212 and 219,976

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Solution

The third proportional to 102,212 and 219,976 is: 473,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212 : 219,976 = 219,976 : x
  2. Step 2: Convert to fraction form
    102,212/219,976 = 219,976/x
  3. Step 3: Cross multiply
    102,212x = 219,976 × 219,976
  4. Step 4: Simplify right side
    102,212x = 48,389,440,576
  5. Step 5: Solve for x
    x = 48,389,440,576/102,212
  6. Step 6: Final answer
    x = 473,422.30

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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.