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Finding the Third Proportional to 2.93 and 3.16

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Solution

The third proportional to 2.93 and 3.16 is: 3.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.93 : 3.16 = 3.16 : x
  2. Step 2: Convert to fraction form
    2.93/3.16 = 3.16/x
  3. Step 3: Cross multiply
    2.93x = 3.16 × 3.16
  4. Step 4: Simplify right side
    2.93x = 9.99
  5. Step 5: Solve for x
    x = 9.99/2.93
  6. Step 6: Final answer
    x = 3.40

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.