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Finding the Third Proportional to 80.63 and 93

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Solution

The third proportional to 80.63 and 93 is: 107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80.63 : 93 = 93 : x
  2. Step 2: Convert to fraction form
    80.63/93 = 93/x
  3. Step 3: Cross multiply
    80.63x = 93 × 93
  4. Step 4: Simplify right side
    80.63x = 8,649
  5. Step 5: Solve for x
    x = 8,649/80.63
  6. Step 6: Final answer
    x = 107.27

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.