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Finding the Third Proportional to 211,533 and 461,655

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Solution

The third proportional to 211,533 and 461,655 is: 1,007,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,533 : 461,655 = 461,655 : x
  2. Step 2: Convert to fraction form
    211,533/461,655 = 461,655/x
  3. Step 3: Cross multiply
    211,533x = 461,655 × 461,655
  4. Step 4: Simplify right side
    211,533x = 213,125,339,025
  5. Step 5: Solve for x
    x = 213,125,339,025/211,533
  6. Step 6: Final answer
    x = 1,007,527.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.