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Finding the Third Proportional to 12,134 and 18,702

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Solution

The third proportional to 12,134 and 18,702 is: 28,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134 : 18,702 = 18,702 : x
  2. Step 2: Convert to fraction form
    12,134/18,702 = 18,702/x
  3. Step 3: Cross multiply
    12,134x = 18,702 × 18,702
  4. Step 4: Simplify right side
    12,134x = 349,764,804
  5. Step 5: Solve for x
    x = 349,764,804/12,134
  6. Step 6: Final answer
    x = 28,825.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.