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Finding the Third Proportional to 168,431.06 and 364,900.78

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Solution

The third proportional to 168,431.06 and 364,900.78 is: 790,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,431.06 : 364,900.78 = 364,900.78 : x
  2. Step 2: Convert to fraction form
    168,431.06/364,900.78 = 364,900.78/x
  3. Step 3: Cross multiply
    168,431.06x = 364,900.78 × 364,900.78
  4. Step 4: Simplify right side
    168,431.06x = 133,152,580,156.86
  5. Step 5: Solve for x
    x = 133,152,580,156.86/168,431.06
  6. Step 6: Final answer
    x = 790,546.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.