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Finding the Third Proportional to 156,924 and 343,191

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Solution

The third proportional to 156,924 and 343,191 is: 750,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924 : 343,191 = 343,191 : x
  2. Step 2: Convert to fraction form
    156,924/343,191 = 343,191/x
  3. Step 3: Cross multiply
    156,924x = 343,191 × 343,191
  4. Step 4: Simplify right side
    156,924x = 117,780,062,481
  5. Step 5: Solve for x
    x = 117,780,062,481/156,924
  6. Step 6: Final answer
    x = 750,554.81

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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.