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Finding the Third Proportional to 106,210 and 231,743

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Solution

The third proportional to 106,210 and 231,743 is: 505,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210 : 231,743 = 231,743 : x
  2. Step 2: Convert to fraction form
    106,210/231,743 = 231,743/x
  3. Step 3: Cross multiply
    106,210x = 231,743 × 231,743
  4. Step 4: Simplify right side
    106,210x = 53,704,818,049
  5. Step 5: Solve for x
    x = 53,704,818,049/106,210
  6. Step 6: Final answer
    x = 505,647.47

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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.