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Finding the Third Proportional to 169.13 and 364.88

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Solution

The third proportional to 169.13 and 364.88 is: 787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.13 : 364.88 = 364.88 : x
  2. Step 2: Convert to fraction form
    169.13/364.88 = 364.88/x
  3. Step 3: Cross multiply
    169.13x = 364.88 × 364.88
  4. Step 4: Simplify right side
    169.13x = 133,133.77
  5. Step 5: Solve for x
    x = 133,133.77/169.13
  6. Step 6: Final answer
    x = 787.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.