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Finding the Third Proportional to 28,200 and 61,262

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Solution

The third proportional to 28,200 and 61,262 is: 133,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200 : 61,262 = 61,262 : x
  2. Step 2: Convert to fraction form
    28,200/61,262 = 61,262/x
  3. Step 3: Cross multiply
    28,200x = 61,262 × 61,262
  4. Step 4: Simplify right side
    28,200x = 3,753,032,644
  5. Step 5: Solve for x
    x = 3,753,032,644/28,200
  6. Step 6: Final answer
    x = 133,086.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.