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Finding the Third Proportional to 71.63 and 94

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Solution

The third proportional to 71.63 and 94 is: 123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.63 : 94 = 94 : x
  2. Step 2: Convert to fraction form
    71.63/94 = 94/x
  3. Step 3: Cross multiply
    71.63x = 94 × 94
  4. Step 4: Simplify right side
    71.63x = 8,836
  5. Step 5: Solve for x
    x = 8,836/71.63
  6. Step 6: Final answer
    x = 123.36

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.