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Finding the Third Proportional to 192.16 and 414.49

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Solution

The third proportional to 192.16 and 414.49 is: 894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.16 : 414.49 = 414.49 : x
  2. Step 2: Convert to fraction form
    192.16/414.49 = 414.49/x
  3. Step 3: Cross multiply
    192.16x = 414.49 × 414.49
  4. Step 4: Simplify right side
    192.16x = 171,803.77
  5. Step 5: Solve for x
    x = 171,803.77/192.16
  6. Step 6: Final answer
    x = 894.05

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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.