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Finding the Third Proportional to 18,831,372 and 28,787,247

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Solution

The third proportional to 18,831,372 and 28,787,247 is: 44,006,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,372 : 28,787,247 = 28,787,247 : x
  2. Step 2: Convert to fraction form
    18,831,372/28,787,247 = 28,787,247/x
  3. Step 3: Cross multiply
    18,831,372x = 28,787,247 × 28,787,247
  4. Step 4: Simplify right side
    18,831,372x = 828,705,589,839,009
  5. Step 5: Solve for x
    x = 828,705,589,839,009/18,831,372
  6. Step 6: Final answer
    x = 44,006,649.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.