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Finding the Third Proportional to 47,232 and 62,976

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Solution

The third proportional to 47,232 and 62,976 is: 83,968

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,232 : 62,976 = 62,976 : x
  2. Step 2: Convert to fraction form
    47,232/62,976 = 62,976/x
  3. Step 3: Cross multiply
    47,232x = 62,976 × 62,976
  4. Step 4: Simplify right side
    47,232x = 3,965,976,576
  5. Step 5: Solve for x
    x = 3,965,976,576/47,232
  6. Step 6: Final answer
    x = 83,968

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.