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Finding the Third Proportional to 133.50 and 297

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Solution

The third proportional to 133.50 and 297 is: 660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.50 : 297 = 297 : x
  2. Step 2: Convert to fraction form
    133.50/297 = 297/x
  3. Step 3: Cross multiply
    133.50x = 297 × 297
  4. Step 4: Simplify right side
    133.50x = 88,209
  5. Step 5: Solve for x
    x = 88,209/133.50
  6. Step 6: Final answer
    x = 660.74

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.