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Finding the Third Proportional to 1.16 and 2.43

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Solution

The third proportional to 1.16 and 2.43 is: 5.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.16 : 2.43 = 2.43 : x
  2. Step 2: Convert to fraction form
    1.16/2.43 = 2.43/x
  3. Step 3: Cross multiply
    1.16x = 2.43 × 2.43
  4. Step 4: Simplify right side
    1.16x = 5.88
  5. Step 5: Solve for x
    x = 5.88/1.16
  6. Step 6: Final answer
    x = 5.07

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.