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Finding the Third Proportional to 117,084 and 251,919

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Solution

The third proportional to 117,084 and 251,919 is: 542,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,084 : 251,919 = 251,919 : x
  2. Step 2: Convert to fraction form
    117,084/251,919 = 251,919/x
  3. Step 3: Cross multiply
    117,084x = 251,919 × 251,919
  4. Step 4: Simplify right side
    117,084x = 63,463,182,561
  5. Step 5: Solve for x
    x = 63,463,182,561/117,084
  6. Step 6: Final answer
    x = 542,031.21

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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.