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Finding the Third Proportional to 26,098 and 40,420

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Solution

The third proportional to 26,098 and 40,420 is: 62,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098 : 40,420 = 40,420 : x
  2. Step 2: Convert to fraction form
    26,098/40,420 = 40,420/x
  3. Step 3: Cross multiply
    26,098x = 40,420 × 40,420
  4. Step 4: Simplify right side
    26,098x = 1,633,776,400
  5. Step 5: Solve for x
    x = 1,633,776,400/26,098
  6. Step 6: Final answer
    x = 62,601.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.