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Finding the Third Proportional to 28,554 and 63,230

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Solution

The third proportional to 28,554 and 63,230 is: 140,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554 : 63,230 = 63,230 : x
  2. Step 2: Convert to fraction form
    28,554/63,230 = 63,230/x
  3. Step 3: Cross multiply
    28,554x = 63,230 × 63,230
  4. Step 4: Simplify right side
    28,554x = 3,998,032,900
  5. Step 5: Solve for x
    x = 3,998,032,900/28,554
  6. Step 6: Final answer
    x = 140,016.56

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.