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Finding the Third Proportional to 156,962 and 343,586

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Solution

The third proportional to 156,962 and 343,586 is: 752,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962 : 343,586 = 343,586 : x
  2. Step 2: Convert to fraction form
    156,962/343,586 = 343,586/x
  3. Step 3: Cross multiply
    156,962x = 343,586 × 343,586
  4. Step 4: Simplify right side
    156,962x = 118,051,339,396
  5. Step 5: Solve for x
    x = 118,051,339,396/156,962
  6. Step 6: Final answer
    x = 752,101.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.