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Finding the Third Proportional to 103,250 and 212,059

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Solution

The third proportional to 103,250 and 212,059 is: 435,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250 : 212,059 = 212,059 : x
  2. Step 2: Convert to fraction form
    103,250/212,059 = 212,059/x
  3. Step 3: Cross multiply
    103,250x = 212,059 × 212,059
  4. Step 4: Simplify right side
    103,250x = 44,969,019,481
  5. Step 5: Solve for x
    x = 44,969,019,481/103,250
  6. Step 6: Final answer
    x = 435,535.30

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.