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Finding the Third Proportional to 53,789,186 and 80,738,859

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Solution

The third proportional to 53,789,186 and 80,738,859 is: 121,190,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,186 : 80,738,859 = 80,738,859 : x
  2. Step 2: Convert to fraction form
    53,789,186/80,738,859 = 80,738,859/x
  3. Step 3: Cross multiply
    53,789,186x = 80,738,859 × 80,738,859
  4. Step 4: Simplify right side
    53,789,186x = 6,518,763,352,621,881
  5. Step 5: Solve for x
    x = 6,518,763,352,621,881/53,789,186
  6. Step 6: Final answer
    x = 121,190,964.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.