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Finding the Third Proportional to 12,988,647 and 28,058,589

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Solution

The third proportional to 12,988,647 and 28,058,589 is: 60,613,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,647 : 28,058,589 = 28,058,589 : x
  2. Step 2: Convert to fraction form
    12,988,647/28,058,589 = 28,058,589/x
  3. Step 3: Cross multiply
    12,988,647x = 28,058,589 × 28,058,589
  4. Step 4: Simplify right side
    12,988,647x = 787,284,416,670,921
  5. Step 5: Solve for x
    x = 787,284,416,670,921/12,988,647
  6. Step 6: Final answer
    x = 60,613,273.78

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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.