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Finding the Third Proportional to 356,956.50 and 475,890.75

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Solution

The third proportional to 356,956.50 and 475,890.75 is: 634,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,956.50 : 475,890.75 = 475,890.75 : x
  2. Step 2: Convert to fraction form
    356,956.50/475,890.75 = 475,890.75/x
  3. Step 3: Cross multiply
    356,956.50x = 475,890.75 × 475,890.75
  4. Step 4: Simplify right side
    356,956.50x = 226,472,005,935.56
  5. Step 5: Solve for x
    x = 226,472,005,935.56/356,956.50
  6. Step 6: Final answer
    x = 634,452.67

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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.