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Finding the Third Proportional to 13,628,418 and 30,022,178

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Solution

The third proportional to 13,628,418 and 30,022,178 is: 66,136,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,418 : 30,022,178 = 30,022,178 : x
  2. Step 2: Convert to fraction form
    13,628,418/30,022,178 = 30,022,178/x
  3. Step 3: Cross multiply
    13,628,418x = 30,022,178 × 30,022,178
  4. Step 4: Simplify right side
    13,628,418x = 901,331,171,863,684
  5. Step 5: Solve for x
    x = 901,331,171,863,684/13,628,418
  6. Step 6: Final answer
    x = 66,136,155.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.