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Finding the Third Proportional to 12,787,456 and 27,398,868

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Solution

The third proportional to 12,787,456 and 27,398,868 is: 58,705,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,456 : 27,398,868 = 27,398,868 : x
  2. Step 2: Convert to fraction form
    12,787,456/27,398,868 = 27,398,868/x
  3. Step 3: Cross multiply
    12,787,456x = 27,398,868 × 27,398,868
  4. Step 4: Simplify right side
    12,787,456x = 750,697,967,681,424
  5. Step 5: Solve for x
    x = 750,697,967,681,424/12,787,456
  6. Step 6: Final answer
    x = 58,705,810.42

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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.