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Finding the Third Proportional to 242.44 and 293.06

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Solution

The third proportional to 242.44 and 293.06 is: 354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.44 : 293.06 = 293.06 : x
  2. Step 2: Convert to fraction form
    242.44/293.06 = 293.06/x
  3. Step 3: Cross multiply
    242.44x = 293.06 × 293.06
  4. Step 4: Simplify right side
    242.44x = 85,885.63
  5. Step 5: Solve for x
    x = 85,885.63/242.44
  6. Step 6: Final answer
    x = 354.26

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.