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Finding the Third Proportional to 156.06 and 336.13

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Solution

The third proportional to 156.06 and 336.13 is: 723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.06 : 336.13 = 336.13 : x
  2. Step 2: Convert to fraction form
    156.06/336.13 = 336.13/x
  3. Step 3: Cross multiply
    156.06x = 336.13 × 336.13
  4. Step 4: Simplify right side
    156.06x = 112,980.02
  5. Step 5: Solve for x
    x = 112,980.02/156.06
  6. Step 6: Final answer
    x = 723.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.