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Finding the Third Proportional to 26,286.50 and 56,785

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Solution

The third proportional to 26,286.50 and 56,785 is: 122,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.50 : 56,785 = 56,785 : x
  2. Step 2: Convert to fraction form
    26,286.50/56,785 = 56,785/x
  3. Step 3: Cross multiply
    26,286.50x = 56,785 × 56,785
  4. Step 4: Simplify right side
    26,286.50x = 3,224,536,225
  5. Step 5: Solve for x
    x = 3,224,536,225/26,286.50
  6. Step 6: Final answer
    x = 122,668.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.