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Finding the Third Proportional to 156.50 and 365

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Solution

The third proportional to 156.50 and 365 is: 851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.50 : 365 = 365 : x
  2. Step 2: Convert to fraction form
    156.50/365 = 365/x
  3. Step 3: Cross multiply
    156.50x = 365 × 365
  4. Step 4: Simplify right side
    156.50x = 133,225
  5. Step 5: Solve for x
    x = 133,225/156.50
  6. Step 6: Final answer
    x = 851.28

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.