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Finding the Third Proportional to 156,913 and 235,722

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Solution

The third proportional to 156,913 and 235,722 is: 354,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913 : 235,722 = 235,722 : x
  2. Step 2: Convert to fraction form
    156,913/235,722 = 235,722/x
  3. Step 3: Cross multiply
    156,913x = 235,722 × 235,722
  4. Step 4: Simplify right side
    156,913x = 55,564,861,284
  5. Step 5: Solve for x
    x = 55,564,861,284/156,913
  6. Step 6: Final answer
    x = 354,112.54

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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.