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Finding the Third Proportional to 117,270 and 181,697

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Solution

The third proportional to 117,270 and 181,697 is: 281,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270 : 181,697 = 181,697 : x
  2. Step 2: Convert to fraction form
    117,270/181,697 = 181,697/x
  3. Step 3: Cross multiply
    117,270x = 181,697 × 181,697
  4. Step 4: Simplify right side
    117,270x = 33,013,799,809
  5. Step 5: Solve for x
    x = 33,013,799,809/117,270
  6. Step 6: Final answer
    x = 281,519.57

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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.