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Finding the Third Proportional to 102,364 and 220,280

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Solution

The third proportional to 102,364 and 220,280 is: 474,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,364 : 220,280 = 220,280 : x
  2. Step 2: Convert to fraction form
    102,364/220,280 = 220,280/x
  3. Step 3: Cross multiply
    102,364x = 220,280 × 220,280
  4. Step 4: Simplify right side
    102,364x = 48,523,278,400
  5. Step 5: Solve for x
    x = 48,523,278,400/102,364
  6. Step 6: Final answer
    x = 474,026.79

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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.