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Finding the Third Proportional to 56,262 and 132,811

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Solution

The third proportional to 56,262 and 132,811 is: 313,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262 : 132,811 = 132,811 : x
  2. Step 2: Convert to fraction form
    56,262/132,811 = 132,811/x
  3. Step 3: Cross multiply
    56,262x = 132,811 × 132,811
  4. Step 4: Simplify right side
    56,262x = 17,638,761,721
  5. Step 5: Solve for x
    x = 17,638,761,721/56,262
  6. Step 6: Final answer
    x = 313,511.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.