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Finding the Third Proportional to 88,642 and 190,276

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Solution

The third proportional to 88,642 and 190,276 is: 408,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642 : 190,276 = 190,276 : x
  2. Step 2: Convert to fraction form
    88,642/190,276 = 190,276/x
  3. Step 3: Cross multiply
    88,642x = 190,276 × 190,276
  4. Step 4: Simplify right side
    88,642x = 36,204,956,176
  5. Step 5: Solve for x
    x = 36,204,956,176/88,642
  6. Step 6: Final answer
    x = 408,440.20

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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.