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Finding the Third Proportional to 20,426,876 and 43,767,909

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Solution

The third proportional to 20,426,876 and 43,767,909 is: 93,779,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,876 : 43,767,909 = 43,767,909 : x
  2. Step 2: Convert to fraction form
    20,426,876/43,767,909 = 43,767,909/x
  3. Step 3: Cross multiply
    20,426,876x = 43,767,909 × 43,767,909
  4. Step 4: Simplify right side
    20,426,876x = 1,915,629,858,232,281
  5. Step 5: Solve for x
    x = 1,915,629,858,232,281/20,426,876
  6. Step 6: Final answer
    x = 93,779,874.04

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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.