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Finding the Third Proportional to 211,626 and 327,816

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Solution

The third proportional to 211,626 and 327,816 is: 507,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626 : 327,816 = 327,816 : x
  2. Step 2: Convert to fraction form
    211,626/327,816 = 327,816/x
  3. Step 3: Cross multiply
    211,626x = 327,816 × 327,816
  4. Step 4: Simplify right side
    211,626x = 107,463,329,856
  5. Step 5: Solve for x
    x = 107,463,329,856/211,626
  6. Step 6: Final answer
    x = 507,798.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.