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Finding the Third Proportional to 4,035,859 and 8,780,305

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Solution

The third proportional to 4,035,859 and 8,780,305 is: 19,102,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035,859 : 8,780,305 = 8,780,305 : x
  2. Step 2: Convert to fraction form
    4,035,859/8,780,305 = 8,780,305/x
  3. Step 3: Cross multiply
    4,035,859x = 8,780,305 × 8,780,305
  4. Step 4: Simplify right side
    4,035,859x = 77,093,755,893,025
  5. Step 5: Solve for x
    x = 77,093,755,893,025/4,035,859
  6. Step 6: Final answer
    x = 19,102,192.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.