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Finding the Third Proportional to 18,579,928 and 37,906,352

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Solution

The third proportional to 18,579,928 and 37,906,352 is: 77,335,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579,928 : 37,906,352 = 37,906,352 : x
  2. Step 2: Convert to fraction form
    18,579,928/37,906,352 = 37,906,352/x
  3. Step 3: Cross multiply
    18,579,928x = 37,906,352 × 37,906,352
  4. Step 4: Simplify right side
    18,579,928x = 1,436,891,521,947,904
  5. Step 5: Solve for x
    x = 1,436,891,521,947,904/18,579,928
  6. Step 6: Final answer
    x = 77,335,688.38

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.