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Finding the Third Proportional to 4.42 and 9.68

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Solution

The third proportional to 4.42 and 9.68 is: 21.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.42 : 9.68 = 9.68 : x
  2. Step 2: Convert to fraction form
    4.42/9.68 = 9.68/x
  3. Step 3: Cross multiply
    4.42x = 9.68 × 9.68
  4. Step 4: Simplify right side
    4.42x = 93.63
  5. Step 5: Solve for x
    x = 93.63/4.42
  6. Step 6: Final answer
    x = 21.21

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.