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Finding the Third Proportional to 18,263,788 and 38,038,796

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Solution

The third proportional to 18,263,788 and 38,038,796 is: 79,225,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,788 : 38,038,796 = 38,038,796 : x
  2. Step 2: Convert to fraction form
    18,263,788/38,038,796 = 38,038,796/x
  3. Step 3: Cross multiply
    18,263,788x = 38,038,796 × 38,038,796
  4. Step 4: Simplify right side
    18,263,788x = 1,446,950,001,129,616
  5. Step 5: Solve for x
    x = 1,446,950,001,129,616/18,263,788
  6. Step 6: Final answer
    x = 79,225,076.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.