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Finding the Third Proportional to 119,268 and 178,902

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Solution

The third proportional to 119,268 and 178,902 is: 268,353

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,268 : 178,902 = 178,902 : x
  2. Step 2: Convert to fraction form
    119,268/178,902 = 178,902/x
  3. Step 3: Cross multiply
    119,268x = 178,902 × 178,902
  4. Step 4: Simplify right side
    119,268x = 32,005,925,604
  5. Step 5: Solve for x
    x = 32,005,925,604/119,268
  6. Step 6: Final answer
    x = 268,353

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.