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Finding the Third Proportional to 117,013 and 181,517

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Solution

The third proportional to 117,013 and 181,517 is: 281,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,013 : 181,517 = 181,517 : x
  2. Step 2: Convert to fraction form
    117,013/181,517 = 181,517/x
  3. Step 3: Cross multiply
    117,013x = 181,517 × 181,517
  4. Step 4: Simplify right side
    117,013x = 32,948,421,289
  5. Step 5: Solve for x
    x = 32,948,421,289/117,013
  6. Step 6: Final answer
    x = 281,579.15

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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.