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Finding the Third Proportional to 99,054 and 201,555

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Solution

The third proportional to 99,054 and 201,555 is: 410,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,054 : 201,555 = 201,555 : x
  2. Step 2: Convert to fraction form
    99,054/201,555 = 201,555/x
  3. Step 3: Cross multiply
    99,054x = 201,555 × 201,555
  4. Step 4: Simplify right side
    99,054x = 40,624,418,025
  5. Step 5: Solve for x
    x = 40,624,418,025/99,054
  6. Step 6: Final answer
    x = 410,123.95

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.