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Finding the Third Proportional to 53,508 and 112,992

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Solution

The third proportional to 53,508 and 112,992 is: 238,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,508 : 112,992 = 112,992 : x
  2. Step 2: Convert to fraction form
    53,508/112,992 = 112,992/x
  3. Step 3: Cross multiply
    53,508x = 112,992 × 112,992
  4. Step 4: Simplify right side
    53,508x = 12,767,192,064
  5. Step 5: Solve for x
    x = 12,767,192,064/53,508
  6. Step 6: Final answer
    x = 238,603.42

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.