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Finding the Third Proportional to 47,122 and 69,269

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Solution

The third proportional to 47,122 and 69,269 is: 101,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122 : 69,269 = 69,269 : x
  2. Step 2: Convert to fraction form
    47,122/69,269 = 69,269/x
  3. Step 3: Cross multiply
    47,122x = 69,269 × 69,269
  4. Step 4: Simplify right side
    47,122x = 4,798,194,361
  5. Step 5: Solve for x
    x = 4,798,194,361/47,122
  6. Step 6: Final answer
    x = 101,824.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.