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Finding the Third Proportional to 115,291 and 248,370

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Solution

The third proportional to 115,291 and 248,370 is: 535,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,291 : 248,370 = 248,370 : x
  2. Step 2: Convert to fraction form
    115,291/248,370 = 248,370/x
  3. Step 3: Cross multiply
    115,291x = 248,370 × 248,370
  4. Step 4: Simplify right side
    115,291x = 61,687,656,900
  5. Step 5: Solve for x
    x = 61,687,656,900/115,291
  6. Step 6: Final answer
    x = 535,060.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.