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Finding the Third Proportional to 14,196 and 18,990

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Solution

The third proportional to 14,196 and 18,990 is: 25,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196 : 18,990 = 18,990 : x
  2. Step 2: Convert to fraction form
    14,196/18,990 = 18,990/x
  3. Step 3: Cross multiply
    14,196x = 18,990 × 18,990
  4. Step 4: Simplify right side
    14,196x = 360,620,100
  5. Step 5: Solve for x
    x = 360,620,100/14,196
  6. Step 6: Final answer
    x = 25,402.94

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.