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Finding the Third Proportional to 47,273 and 69,976

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Solution

The third proportional to 47,273 and 69,976 is: 103,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273 : 69,976 = 69,976 : x
  2. Step 2: Convert to fraction form
    47,273/69,976 = 69,976/x
  3. Step 3: Cross multiply
    47,273x = 69,976 × 69,976
  4. Step 4: Simplify right side
    47,273x = 4,896,640,576
  5. Step 5: Solve for x
    x = 4,896,640,576/47,273
  6. Step 6: Final answer
    x = 103,582.18

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.