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Finding the Third Proportional to 28,230 and 60,214

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Solution

The third proportional to 28,230 and 60,214 is: 128,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230 : 60,214 = 60,214 : x
  2. Step 2: Convert to fraction form
    28,230/60,214 = 60,214/x
  3. Step 3: Cross multiply
    28,230x = 60,214 × 60,214
  4. Step 4: Simplify right side
    28,230x = 3,625,725,796
  5. Step 5: Solve for x
    x = 3,625,725,796/28,230
  6. Step 6: Final answer
    x = 128,435.20

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.