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Finding the Third Proportional to 18,412,844 and 38,766,648

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Solution

The third proportional to 18,412,844 and 38,766,648 is: 81,619,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412,844 : 38,766,648 = 38,766,648 : x
  2. Step 2: Convert to fraction form
    18,412,844/38,766,648 = 38,766,648/x
  3. Step 3: Cross multiply
    18,412,844x = 38,766,648 × 38,766,648
  4. Step 4: Simplify right side
    18,412,844x = 1,502,852,997,155,904
  5. Step 5: Solve for x
    x = 1,502,852,997,155,904/18,412,844
  6. Step 6: Final answer
    x = 81,619,819.14

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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.