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Finding the Third Proportional to 106,409 and 230,530

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Solution

The third proportional to 106,409 and 230,530 is: 499,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409 : 230,530 = 230,530 : x
  2. Step 2: Convert to fraction form
    106,409/230,530 = 230,530/x
  3. Step 3: Cross multiply
    106,409x = 230,530 × 230,530
  4. Step 4: Simplify right side
    106,409x = 53,144,080,900
  5. Step 5: Solve for x
    x = 53,144,080,900/106,409
  6. Step 6: Final answer
    x = 499,432.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.