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Finding the Third Proportional to 12,318.50 and 26,174

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Solution

The third proportional to 12,318.50 and 26,174 is: 55,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.50 : 26,174 = 26,174 : x
  2. Step 2: Convert to fraction form
    12,318.50/26,174 = 26,174/x
  3. Step 3: Cross multiply
    12,318.50x = 26,174 × 26,174
  4. Step 4: Simplify right side
    12,318.50x = 685,078,276
  5. Step 5: Solve for x
    x = 685,078,276/12,318.50
  6. Step 6: Final answer
    x = 55,613.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.