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Finding the Third Proportional to 3,810,377 and 8,219,011

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Solution

The third proportional to 3,810,377 and 8,219,011 is: 17,728,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,377 : 8,219,011 = 8,219,011 : x
  2. Step 2: Convert to fraction form
    3,810,377/8,219,011 = 8,219,011/x
  3. Step 3: Cross multiply
    3,810,377x = 8,219,011 × 8,219,011
  4. Step 4: Simplify right side
    3,810,377x = 67,552,141,818,121
  5. Step 5: Solve for x
    x = 67,552,141,818,121/3,810,377
  6. Step 6: Final answer
    x = 17,728,466.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.