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Finding the Third Proportional to 117,378 and 167,247

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Solution

The third proportional to 117,378 and 167,247 is: 238,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,378 : 167,247 = 167,247 : x
  2. Step 2: Convert to fraction form
    117,378/167,247 = 167,247/x
  3. Step 3: Cross multiply
    117,378x = 167,247 × 167,247
  4. Step 4: Simplify right side
    117,378x = 27,971,559,009
  5. Step 5: Solve for x
    x = 27,971,559,009/117,378
  6. Step 6: Final answer
    x = 238,303.25

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.