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Finding the Third Proportional to 66,956 and 88,860

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Solution

The third proportional to 66,956 and 88,860 is: 117,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956 : 88,860 = 88,860 : x
  2. Step 2: Convert to fraction form
    66,956/88,860 = 88,860/x
  3. Step 3: Cross multiply
    66,956x = 88,860 × 88,860
  4. Step 4: Simplify right side
    66,956x = 7,896,099,600
  5. Step 5: Solve for x
    x = 7,896,099,600/66,956
  6. Step 6: Final answer
    x = 117,929.68

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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.