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Finding the Third Proportional to 76,956 and 120,294

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Solution

The third proportional to 76,956 and 120,294 is: 188,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,956 : 120,294 = 120,294 : x
  2. Step 2: Convert to fraction form
    76,956/120,294 = 120,294/x
  3. Step 3: Cross multiply
    76,956x = 120,294 × 120,294
  4. Step 4: Simplify right side
    76,956x = 14,470,646,436
  5. Step 5: Solve for x
    x = 14,470,646,436/76,956
  6. Step 6: Final answer
    x = 188,037.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.