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Finding the Third Proportional to 26,958.50 and 58,811

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Solution

The third proportional to 26,958.50 and 58,811 is: 128,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958.50 : 58,811 = 58,811 : x
  2. Step 2: Convert to fraction form
    26,958.50/58,811 = 58,811/x
  3. Step 3: Cross multiply
    26,958.50x = 58,811 × 58,811
  4. Step 4: Simplify right side
    26,958.50x = 3,458,733,721
  5. Step 5: Solve for x
    x = 3,458,733,721/26,958.50
  6. Step 6: Final answer
    x = 128,298.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.