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Finding the Third Proportional to 28,166 and 61,906

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Solution

The third proportional to 28,166 and 61,906 is: 136,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166 : 61,906 = 61,906 : x
  2. Step 2: Convert to fraction form
    28,166/61,906 = 61,906/x
  3. Step 3: Cross multiply
    28,166x = 61,906 × 61,906
  4. Step 4: Simplify right side
    28,166x = 3,832,352,836
  5. Step 5: Solve for x
    x = 3,832,352,836/28,166
  6. Step 6: Final answer
    x = 136,063.08

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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.