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Finding the Third Proportional to 156,921 and 235,734

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Solution

The third proportional to 156,921 and 235,734 is: 354,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921 : 235,734 = 235,734 : x
  2. Step 2: Convert to fraction form
    156,921/235,734 = 235,734/x
  3. Step 3: Cross multiply
    156,921x = 235,734 × 235,734
  4. Step 4: Simplify right side
    156,921x = 55,570,518,756
  5. Step 5: Solve for x
    x = 55,570,518,756/156,921
  6. Step 6: Final answer
    x = 354,130.54

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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.