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Finding the Third Proportional to 12,479,643 and 26,821,881

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Solution

The third proportional to 12,479,643 and 26,821,881 is: 57,646,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,643 : 26,821,881 = 26,821,881 : x
  2. Step 2: Convert to fraction form
    12,479,643/26,821,881 = 26,821,881/x
  3. Step 3: Cross multiply
    12,479,643x = 26,821,881 × 26,821,881
  4. Step 4: Simplify right side
    12,479,643x = 719,413,300,378,161
  5. Step 5: Solve for x
    x = 719,413,300,378,161/12,479,643
  6. Step 6: Final answer
    x = 57,646,945.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.