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Finding the Third Proportional to 214,626 and 291,491

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Solution

The third proportional to 214,626 and 291,491 is: 395,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,626 : 291,491 = 291,491 : x
  2. Step 2: Convert to fraction form
    214,626/291,491 = 291,491/x
  3. Step 3: Cross multiply
    214,626x = 291,491 × 291,491
  4. Step 4: Simplify right side
    214,626x = 84,967,003,081
  5. Step 5: Solve for x
    x = 84,967,003,081/214,626
  6. Step 6: Final answer
    x = 395,884.02

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.