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Finding the Third Proportional to 1,878,949 and 4,023,619

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Solution

The third proportional to 1,878,949 and 4,023,619 is: 8,616,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,949 : 4,023,619 = 4,023,619 : x
  2. Step 2: Convert to fraction form
    1,878,949/4,023,619 = 4,023,619/x
  3. Step 3: Cross multiply
    1,878,949x = 4,023,619 × 4,023,619
  4. Step 4: Simplify right side
    1,878,949x = 16,189,509,857,161
  5. Step 5: Solve for x
    x = 16,189,509,857,161/1,878,949
  6. Step 6: Final answer
    x = 8,616,258.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.