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Finding the Third Proportional to 18,276,330 and 39,703,857

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Solution

The third proportional to 18,276,330 and 39,703,857 is: 86,253,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276,330 : 39,703,857 = 39,703,857 : x
  2. Step 2: Convert to fraction form
    18,276,330/39,703,857 = 39,703,857/x
  3. Step 3: Cross multiply
    18,276,330x = 39,703,857 × 39,703,857
  4. Step 4: Simplify right side
    18,276,330x = 1,576,396,260,676,449
  5. Step 5: Solve for x
    x = 1,576,396,260,676,449/18,276,330
  6. Step 6: Final answer
    x = 86,253,436.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.