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Finding the Third Proportional to 201.19 and 424.00

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Solution

The third proportional to 201.19 and 424.00 is: 893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.19 : 424.00 = 424.00 : x
  2. Step 2: Convert to fraction form
    201.19/424.00 = 424.00/x
  3. Step 3: Cross multiply
    201.19x = 424.00 × 424.00
  4. Step 4: Simplify right side
    201.19x = 179,772.69
  5. Step 5: Solve for x
    x = 179,772.69/201.19
  6. Step 6: Final answer
    x = 893.56

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.