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Finding the Third Proportional to 18,954,388 and 40,934,864

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Solution

The third proportional to 18,954,388 and 40,934,864 is: 88,405,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,388 : 40,934,864 = 40,934,864 : x
  2. Step 2: Convert to fraction form
    18,954,388/40,934,864 = 40,934,864/x
  3. Step 3: Cross multiply
    18,954,388x = 40,934,864 × 40,934,864
  4. Step 4: Simplify right side
    18,954,388x = 1,675,663,090,698,496
  5. Step 5: Solve for x
    x = 1,675,663,090,698,496/18,954,388
  6. Step 6: Final answer
    x = 88,405,022.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.