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Finding the Third Proportional to 20,168 and 29,516

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Solution

The third proportional to 20,168 and 29,516 is: 43,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168 : 29,516 = 29,516 : x
  2. Step 2: Convert to fraction form
    20,168/29,516 = 29,516/x
  3. Step 3: Cross multiply
    20,168x = 29,516 × 29,516
  4. Step 4: Simplify right side
    20,168x = 871,194,256
  5. Step 5: Solve for x
    x = 871,194,256/20,168
  6. Step 6: Final answer
    x = 43,196.86

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.