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Finding the Third Proportional to 168,436.13 and 253,337.63

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Solution

The third proportional to 168,436.13 and 253,337.63 is: 381,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436.13 : 253,337.63 = 253,337.63 : x
  2. Step 2: Convert to fraction form
    168,436.13/253,337.63 = 253,337.63/x
  3. Step 3: Cross multiply
    168,436.13x = 253,337.63 × 253,337.63
  4. Step 4: Simplify right side
    168,436.13x = 64,179,952,240.64
  5. Step 5: Solve for x
    x = 64,179,952,240.64/168,436.13
  6. Step 6: Final answer
    x = 381,034.37

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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.