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Finding the Third Proportional to 19,236 and 41,388

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Solution

The third proportional to 19,236 and 41,388 is: 89,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236 : 41,388 = 41,388 : x
  2. Step 2: Convert to fraction form
    19,236/41,388 = 41,388/x
  3. Step 3: Cross multiply
    19,236x = 41,388 × 41,388
  4. Step 4: Simplify right side
    19,236x = 1,712,966,544
  5. Step 5: Solve for x
    x = 1,712,966,544/19,236
  6. Step 6: Final answer
    x = 89,050.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.