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Finding the Third Proportional to 156,072 and 337,104

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Solution

The third proportional to 156,072 and 337,104 is: 728,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072 : 337,104 = 337,104 : x
  2. Step 2: Convert to fraction form
    156,072/337,104 = 337,104/x
  3. Step 3: Cross multiply
    156,072x = 337,104 × 337,104
  4. Step 4: Simplify right side
    156,072x = 113,639,106,816
  5. Step 5: Solve for x
    x = 113,639,106,816/156,072
  6. Step 6: Final answer
    x = 728,119.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.