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Finding the Third Proportional to 107,392.13 and 212,074.13

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Solution

The third proportional to 107,392.13 and 212,074.13 is: 418,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.13 : 212,074.13 = 212,074.13 : x
  2. Step 2: Convert to fraction form
    107,392.13/212,074.13 = 212,074.13/x
  3. Step 3: Cross multiply
    107,392.13x = 212,074.13 × 212,074.13
  4. Step 4: Simplify right side
    107,392.13x = 44,975,434,494.52
  5. Step 5: Solve for x
    x = 44,975,434,494.52/107,392.13
  6. Step 6: Final answer
    x = 418,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.