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Finding the Third Proportional to 19,910 and 41,737

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Solution

The third proportional to 19,910 and 41,737 is: 87,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910 : 41,737 = 41,737 : x
  2. Step 2: Convert to fraction form
    19,910/41,737 = 41,737/x
  3. Step 3: Cross multiply
    19,910x = 41,737 × 41,737
  4. Step 4: Simplify right side
    19,910x = 1,741,977,169
  5. Step 5: Solve for x
    x = 1,741,977,169/19,910
  6. Step 6: Final answer
    x = 87,492.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.