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Finding the Third Proportional to 156,926 and 343,192

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Solution

The third proportional to 156,926 and 343,192 is: 750,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926 : 343,192 = 343,192 : x
  2. Step 2: Convert to fraction form
    156,926/343,192 = 343,192/x
  3. Step 3: Cross multiply
    156,926x = 343,192 × 343,192
  4. Step 4: Simplify right side
    156,926x = 117,780,748,864
  5. Step 5: Solve for x
    x = 117,780,748,864/156,926
  6. Step 6: Final answer
    x = 750,549.61

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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.