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Finding the Third Proportional to 156,629 and 235,636

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Solution

The third proportional to 156,629 and 235,636 is: 354,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629 : 235,636 = 235,636 : x
  2. Step 2: Convert to fraction form
    156,629/235,636 = 235,636/x
  3. Step 3: Cross multiply
    156,629x = 235,636 × 235,636
  4. Step 4: Simplify right side
    156,629x = 55,524,324,496
  5. Step 5: Solve for x
    x = 55,524,324,496/156,629
  6. Step 6: Final answer
    x = 354,495.81

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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.