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Finding the Third Proportional to 15,619 and 23,819

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Solution

The third proportional to 15,619 and 23,819 is: 36,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619 : 23,819 = 23,819 : x
  2. Step 2: Convert to fraction form
    15,619/23,819 = 23,819/x
  3. Step 3: Cross multiply
    15,619x = 23,819 × 23,819
  4. Step 4: Simplify right side
    15,619x = 567,344,761
  5. Step 5: Solve for x
    x = 567,344,761/15,619
  6. Step 6: Final answer
    x = 36,324.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.