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Finding the Third Proportional to 166,260.38 and 257,967

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Solution

The third proportional to 166,260.38 and 257,967 is: 400,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260.38 : 257,967 = 257,967 : x
  2. Step 2: Convert to fraction form
    166,260.38/257,967 = 257,967/x
  3. Step 3: Cross multiply
    166,260.38x = 257,967 × 257,967
  4. Step 4: Simplify right side
    166,260.38x = 66,546,973,089
  5. Step 5: Solve for x
    x = 66,546,973,089/166,260.38
  6. Step 6: Final answer
    x = 400,257.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.