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Finding the Third Proportional to 53,339 and 115,216

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Solution

The third proportional to 53,339 and 115,216 is: 248,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339 : 115,216 = 115,216 : x
  2. Step 2: Convert to fraction form
    53,339/115,216 = 115,216/x
  3. Step 3: Cross multiply
    53,339x = 115,216 × 115,216
  4. Step 4: Simplify right side
    53,339x = 13,274,726,656
  5. Step 5: Solve for x
    x = 13,274,726,656/53,339
  6. Step 6: Final answer
    x = 248,874.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.