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Finding the Third Proportional to 88,781 and 190,738

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Solution

The third proportional to 88,781 and 190,738 is: 409,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,781 : 190,738 = 190,738 : x
  2. Step 2: Convert to fraction form
    88,781/190,738 = 190,738/x
  3. Step 3: Cross multiply
    88,781x = 190,738 × 190,738
  4. Step 4: Simplify right side
    88,781x = 36,380,984,644
  5. Step 5: Solve for x
    x = 36,380,984,644/88,781
  6. Step 6: Final answer
    x = 409,783.45

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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.