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Finding the Third Proportional to 15,369 and 32,379

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Solution

The third proportional to 15,369 and 32,379 is: 68,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369 : 32,379 = 32,379 : x
  2. Step 2: Convert to fraction form
    15,369/32,379 = 32,379/x
  3. Step 3: Cross multiply
    15,369x = 32,379 × 32,379
  4. Step 4: Simplify right side
    15,369x = 1,048,399,641
  5. Step 5: Solve for x
    x = 1,048,399,641/15,369
  6. Step 6: Final answer
    x = 68,215.22

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.