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Finding the Third Proportional to 168,442 and 253,347

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Solution

The third proportional to 168,442 and 253,347 is: 381,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442 : 253,347 = 253,347 : x
  2. Step 2: Convert to fraction form
    168,442/253,347 = 253,347/x
  3. Step 3: Cross multiply
    168,442x = 253,347 × 253,347
  4. Step 4: Simplify right side
    168,442x = 64,184,702,409
  5. Step 5: Solve for x
    x = 64,184,702,409/168,442
  6. Step 6: Final answer
    x = 381,049.28

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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.