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Finding the Third Proportional to 88,168 and 189,591

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Solution

The third proportional to 88,168 and 189,591 is: 407,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168 : 189,591 = 189,591 : x
  2. Step 2: Convert to fraction form
    88,168/189,591 = 189,591/x
  3. Step 3: Cross multiply
    88,168x = 189,591 × 189,591
  4. Step 4: Simplify right side
    88,168x = 35,944,747,281
  5. Step 5: Solve for x
    x = 35,944,747,281/88,168
  6. Step 6: Final answer
    x = 407,684.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.