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Finding the Third Proportional to 71,622.56 and 154,337.06

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Solution

The third proportional to 71,622.56 and 154,337.06 is: 332,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,622.56 : 154,337.06 = 154,337.06 : x
  2. Step 2: Convert to fraction form
    71,622.56/154,337.06 = 154,337.06/x
  3. Step 3: Cross multiply
    71,622.56x = 154,337.06 × 154,337.06
  4. Step 4: Simplify right side
    71,622.56x = 23,819,928,861.13
  5. Step 5: Solve for x
    x = 23,819,928,861.13/71,622.56
  6. Step 6: Final answer
    x = 332,575.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.