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Finding the Third Proportional to 156.94 and 235.41

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Solution

The third proportional to 156.94 and 235.41 is: 353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.94 : 235.41 = 235.41 : x
  2. Step 2: Convert to fraction form
    156.94/235.41 = 235.41/x
  3. Step 3: Cross multiply
    156.94x = 235.41 × 235.41
  4. Step 4: Simplify right side
    156.94x = 55,416.10
  5. Step 5: Solve for x
    x = 55,416.10/156.94
  6. Step 6: Final answer
    x = 353.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.