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Finding the Third Proportional to 31,333 and 47,992

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Solution

The third proportional to 31,333 and 47,992 is: 73,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333 : 47,992 = 47,992 : x
  2. Step 2: Convert to fraction form
    31,333/47,992 = 47,992/x
  3. Step 3: Cross multiply
    31,333x = 47,992 × 47,992
  4. Step 4: Simplify right side
    31,333x = 2,303,232,064
  5. Step 5: Solve for x
    x = 2,303,232,064/31,333
  6. Step 6: Final answer
    x = 73,508.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.