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Finding the Third Proportional to 12,198,980 and 26,287,447

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Solution

The third proportional to 12,198,980 and 26,287,447 is: 56,646,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,980 : 26,287,447 = 26,287,447 : x
  2. Step 2: Convert to fraction form
    12,198,980/26,287,447 = 26,287,447/x
  3. Step 3: Cross multiply
    12,198,980x = 26,287,447 × 26,287,447
  4. Step 4: Simplify right side
    12,198,980x = 691,029,869,777,809
  5. Step 5: Solve for x
    x = 691,029,869,777,809/12,198,980
  6. Step 6: Final answer
    x = 56,646,528.63

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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.