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Finding the Third Proportional to 79,372.50 and 119,049

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Solution

The third proportional to 79,372.50 and 119,049 is: 178,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,372.50 : 119,049 = 119,049 : x
  2. Step 2: Convert to fraction form
    79,372.50/119,049 = 119,049/x
  3. Step 3: Cross multiply
    79,372.50x = 119,049 × 119,049
  4. Step 4: Simplify right side
    79,372.50x = 14,172,664,401
  5. Step 5: Solve for x
    x = 14,172,664,401/79,372.50
  6. Step 6: Final answer
    x = 178,558.88

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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.