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Finding the Third Proportional to 156.13 and 228.50

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Solution

The third proportional to 156.13 and 228.50 is: 334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.13 : 228.50 = 228.50 : x
  2. Step 2: Convert to fraction form
    156.13/228.50 = 228.50/x
  3. Step 3: Cross multiply
    156.13x = 228.50 × 228.50
  4. Step 4: Simplify right side
    156.13x = 52,212.25
  5. Step 5: Solve for x
    x = 52,212.25/156.13
  6. Step 6: Final answer
    x = 334.43

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.