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Finding the Third Proportional to 26,633 and 42,906

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Solution

The third proportional to 26,633 and 42,906 is: 69,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633 : 42,906 = 42,906 : x
  2. Step 2: Convert to fraction form
    26,633/42,906 = 42,906/x
  3. Step 3: Cross multiply
    26,633x = 42,906 × 42,906
  4. Step 4: Simplify right side
    26,633x = 1,840,924,836
  5. Step 5: Solve for x
    x = 1,840,924,836/26,633
  6. Step 6: Final answer
    x = 69,121.95

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.