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Finding the Third Proportional to 4,363,818 and 9,179,859

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Solution

The third proportional to 4,363,818 and 9,179,859 is: 19,311,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363,818 : 9,179,859 = 9,179,859 : x
  2. Step 2: Convert to fraction form
    4,363,818/9,179,859 = 9,179,859/x
  3. Step 3: Cross multiply
    4,363,818x = 9,179,859 × 9,179,859
  4. Step 4: Simplify right side
    4,363,818x = 84,269,811,259,881
  5. Step 5: Solve for x
    x = 84,269,811,259,881/4,363,818
  6. Step 6: Final answer
    x = 19,311,027.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.