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Finding the Third Proportional to 13,184 and 20,168

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Solution

The third proportional to 13,184 and 20,168 is: 30,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184 : 20,168 = 20,168 : x
  2. Step 2: Convert to fraction form
    13,184/20,168 = 20,168/x
  3. Step 3: Cross multiply
    13,184x = 20,168 × 20,168
  4. Step 4: Simplify right side
    13,184x = 406,748,224
  5. Step 5: Solve for x
    x = 406,748,224/13,184
  6. Step 6: Final answer
    x = 30,851.66

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.