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Finding the Third Proportional to 91,182 and 189,612

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Solution

The third proportional to 91,182 and 189,612 is: 394,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182 : 189,612 = 189,612 : x
  2. Step 2: Convert to fraction form
    91,182/189,612 = 189,612/x
  3. Step 3: Cross multiply
    91,182x = 189,612 × 189,612
  4. Step 4: Simplify right side
    91,182x = 35,952,710,544
  5. Step 5: Solve for x
    x = 35,952,710,544/91,182
  6. Step 6: Final answer
    x = 394,296.14

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.