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Finding the Third Proportional to 12,501 and 18,166.50

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Solution

The third proportional to 12,501 and 18,166.50 is: 26,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 18,166.50 = 18,166.50 : x
  2. Step 2: Convert to fraction form
    12,501/18,166.50 = 18,166.50/x
  3. Step 3: Cross multiply
    12,501x = 18,166.50 × 18,166.50
  4. Step 4: Simplify right side
    12,501x = 330,021,722.25
  5. Step 5: Solve for x
    x = 330,021,722.25/12,501
  6. Step 6: Final answer
    x = 26,399.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.