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Finding the Third Proportional to 20,132 and 47,369

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Solution

The third proportional to 20,132 and 47,369 is: 111,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132 : 47,369 = 47,369 : x
  2. Step 2: Convert to fraction form
    20,132/47,369 = 47,369/x
  3. Step 3: Cross multiply
    20,132x = 47,369 × 47,369
  4. Step 4: Simplify right side
    20,132x = 2,243,822,161
  5. Step 5: Solve for x
    x = 2,243,822,161/20,132
  6. Step 6: Final answer
    x = 111,455.50

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.