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Finding the Third Proportional to 12,657 and 18,229.50

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Solution

The third proportional to 12,657 and 18,229.50 is: 26,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657 : 18,229.50 = 18,229.50 : x
  2. Step 2: Convert to fraction form
    12,657/18,229.50 = 18,229.50/x
  3. Step 3: Cross multiply
    12,657x = 18,229.50 × 18,229.50
  4. Step 4: Simplify right side
    12,657x = 332,314,670.25
  5. Step 5: Solve for x
    x = 332,314,670.25/12,657
  6. Step 6: Final answer
    x = 26,255.41

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.