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Finding the Third Proportional to 77,118 and 167,196

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Solution

The third proportional to 77,118 and 167,196 is: 362,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,118 : 167,196 = 167,196 : x
  2. Step 2: Convert to fraction form
    77,118/167,196 = 167,196/x
  3. Step 3: Cross multiply
    77,118x = 167,196 × 167,196
  4. Step 4: Simplify right side
    77,118x = 27,954,502,416
  5. Step 5: Solve for x
    x = 27,954,502,416/77,118
  6. Step 6: Final answer
    x = 362,489.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.