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Finding the Third Proportional to 338,754 and 506,467

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Solution

The third proportional to 338,754 and 506,467 is: 757,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,754 : 506,467 = 506,467 : x
  2. Step 2: Convert to fraction form
    338,754/506,467 = 506,467/x
  3. Step 3: Cross multiply
    338,754x = 506,467 × 506,467
  4. Step 4: Simplify right side
    338,754x = 256,508,822,089
  5. Step 5: Solve for x
    x = 256,508,822,089/338,754
  6. Step 6: Final answer
    x = 757,212.67

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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.