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Finding the Third Proportional to 53.50 and 92

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Solution

The third proportional to 53.50 and 92 is: 158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.50 : 92 = 92 : x
  2. Step 2: Convert to fraction form
    53.50/92 = 92/x
  3. Step 3: Cross multiply
    53.50x = 92 × 92
  4. Step 4: Simplify right side
    53.50x = 8,464
  5. Step 5: Solve for x
    x = 8,464/53.50
  6. Step 6: Final answer
    x = 158.21

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.