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Finding the Third Proportional to 102,210 and 219,954

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Solution

The third proportional to 102,210 and 219,954 is: 473,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,210 : 219,954 = 219,954 : x
  2. Step 2: Convert to fraction form
    102,210/219,954 = 219,954/x
  3. Step 3: Cross multiply
    102,210x = 219,954 × 219,954
  4. Step 4: Simplify right side
    102,210x = 48,379,762,116
  5. Step 5: Solve for x
    x = 48,379,762,116/102,210
  6. Step 6: Final answer
    x = 473,336.88

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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.