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Finding the Third Proportional to 91,800 and 194,624

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Solution

The third proportional to 91,800 and 194,624 is: 412,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800 : 194,624 = 194,624 : x
  2. Step 2: Convert to fraction form
    91,800/194,624 = 194,624/x
  3. Step 3: Cross multiply
    91,800x = 194,624 × 194,624
  4. Step 4: Simplify right side
    91,800x = 37,878,501,376
  5. Step 5: Solve for x
    x = 37,878,501,376/91,800
  6. Step 6: Final answer
    x = 412,619.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.