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Finding the Third Proportional to 28,056 and 61,644

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Solution

The third proportional to 28,056 and 61,644 is: 135,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056 : 61,644 = 61,644 : x
  2. Step 2: Convert to fraction form
    28,056/61,644 = 61,644/x
  3. Step 3: Cross multiply
    28,056x = 61,644 × 61,644
  4. Step 4: Simplify right side
    28,056x = 3,799,982,736
  5. Step 5: Solve for x
    x = 3,799,982,736/28,056
  6. Step 6: Final answer
    x = 135,442.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.