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Finding the Third Proportional to 16.45 and 35.58

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Solution

The third proportional to 16.45 and 35.58 is: 76.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.45 : 35.58 = 35.58 : x
  2. Step 2: Convert to fraction form
    16.45/35.58 = 35.58/x
  3. Step 3: Cross multiply
    16.45x = 35.58 × 35.58
  4. Step 4: Simplify right side
    16.45x = 1,265.80
  5. Step 5: Solve for x
    x = 1,265.80/16.45
  6. Step 6: Final answer
    x = 76.93

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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.