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Finding the Third Proportional to 156,743 and 344,586

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Solution

The third proportional to 156,743 and 344,586 is: 757,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743 : 344,586 = 344,586 : x
  2. Step 2: Convert to fraction form
    156,743/344,586 = 344,586/x
  3. Step 3: Cross multiply
    156,743x = 344,586 × 344,586
  4. Step 4: Simplify right side
    156,743x = 118,739,511,396
  5. Step 5: Solve for x
    x = 118,739,511,396/156,743
  6. Step 6: Final answer
    x = 757,542.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.