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Finding the Third Proportional to 88,672 and 190,336

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Solution

The third proportional to 88,672 and 190,336 is: 408,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672 : 190,336 = 190,336 : x
  2. Step 2: Convert to fraction form
    88,672/190,336 = 190,336/x
  3. Step 3: Cross multiply
    88,672x = 190,336 × 190,336
  4. Step 4: Simplify right side
    88,672x = 36,227,792,896
  5. Step 5: Solve for x
    x = 36,227,792,896/88,672
  6. Step 6: Final answer
    x = 408,559.56

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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.