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Finding the Third Proportional to 160 and 248

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Solution

The third proportional to 160 and 248 is: 384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160 : 248 = 248 : x
  2. Step 2: Convert to fraction form
    160/248 = 248/x
  3. Step 3: Cross multiply
    160x = 248 × 248
  4. Step 4: Simplify right side
    160x = 61,504
  5. Step 5: Solve for x
    x = 61,504/160
  6. Step 6: Final answer
    x = 384.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.