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Finding the Third Proportional to 47,317 and 73,254

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Solution

The third proportional to 47,317 and 73,254 is: 113,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317 : 73,254 = 73,254 : x
  2. Step 2: Convert to fraction form
    47,317/73,254 = 73,254/x
  3. Step 3: Cross multiply
    47,317x = 73,254 × 73,254
  4. Step 4: Simplify right side
    47,317x = 5,366,148,516
  5. Step 5: Solve for x
    x = 5,366,148,516/47,317
  6. Step 6: Final answer
    x = 113,408.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.