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Finding the Third Proportional to 88,678 and 197,040

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Solution

The third proportional to 88,678 and 197,040 is: 437,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678 : 197,040 = 197,040 : x
  2. Step 2: Convert to fraction form
    88,678/197,040 = 197,040/x
  3. Step 3: Cross multiply
    88,678x = 197,040 × 197,040
  4. Step 4: Simplify right side
    88,678x = 38,824,761,600
  5. Step 5: Solve for x
    x = 38,824,761,600/88,678
  6. Step 6: Final answer
    x = 437,817.29

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.