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Finding the Third Proportional to 100,956,615 and 219,601,808

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Solution

The third proportional to 100,956,615 and 219,601,808 is: 477,679,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,956,615 : 219,601,808 = 219,601,808 : x
  2. Step 2: Convert to fraction form
    100,956,615/219,601,808 = 219,601,808/x
  3. Step 3: Cross multiply
    100,956,615x = 219,601,808 × 219,601,808
  4. Step 4: Simplify right side
    100,956,615x = 48,224,954,076,868,864
  5. Step 5: Solve for x
    x = 48,224,954,076,868,864/100,956,615
  6. Step 6: Final answer
    x = 477,679,982.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.