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Finding the Third Proportional to 18,737 and 40,925

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Solution

The third proportional to 18,737 and 40,925 is: 89,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737 : 40,925 = 40,925 : x
  2. Step 2: Convert to fraction form
    18,737/40,925 = 40,925/x
  3. Step 3: Cross multiply
    18,737x = 40,925 × 40,925
  4. Step 4: Simplify right side
    18,737x = 1,674,855,625
  5. Step 5: Solve for x
    x = 1,674,855,625/18,737
  6. Step 6: Final answer
    x = 89,387.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.