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Finding the Third Proportional to 165,888 and 251,904

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Solution

The third proportional to 165,888 and 251,904 is: 382,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888 : 251,904 = 251,904 : x
  2. Step 2: Convert to fraction form
    165,888/251,904 = 251,904/x
  3. Step 3: Cross multiply
    165,888x = 251,904 × 251,904
  4. Step 4: Simplify right side
    165,888x = 63,455,625,216
  5. Step 5: Solve for x
    x = 63,455,625,216/165,888
  6. Step 6: Final answer
    x = 382,520.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.