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Finding the Third Proportional to 51,408 and 112,656

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Solution

The third proportional to 51,408 and 112,656 is: 246,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408 : 112,656 = 112,656 : x
  2. Step 2: Convert to fraction form
    51,408/112,656 = 112,656/x
  3. Step 3: Cross multiply
    51,408x = 112,656 × 112,656
  4. Step 4: Simplify right side
    51,408x = 12,691,374,336
  5. Step 5: Solve for x
    x = 12,691,374,336/51,408
  6. Step 6: Final answer
    x = 246,875.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.