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Finding the Third Proportional to 100,152 and 220,464

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Solution

The third proportional to 100,152 and 220,464 is: 485,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,152 : 220,464 = 220,464 : x
  2. Step 2: Convert to fraction form
    100,152/220,464 = 220,464/x
  3. Step 3: Cross multiply
    100,152x = 220,464 × 220,464
  4. Step 4: Simplify right side
    100,152x = 48,604,375,296
  5. Step 5: Solve for x
    x = 48,604,375,296/100,152
  6. Step 6: Final answer
    x = 485,306.09

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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.