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Finding the Third Proportional to 42,396 and 92,190

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Solution

The third proportional to 42,396 and 92,190 is: 200,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,396 : 92,190 = 92,190 : x
  2. Step 2: Convert to fraction form
    42,396/92,190 = 92,190/x
  3. Step 3: Cross multiply
    42,396x = 92,190 × 92,190
  4. Step 4: Simplify right side
    42,396x = 8,498,996,100
  5. Step 5: Solve for x
    x = 8,498,996,100/42,396
  6. Step 6: Final answer
    x = 200,466.93

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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.