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Finding the Third Proportional to 20,470,909 and 43,776,170

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Solution

The third proportional to 20,470,909 and 43,776,170 is: 93,613,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,909 : 43,776,170 = 43,776,170 : x
  2. Step 2: Convert to fraction form
    20,470,909/43,776,170 = 43,776,170/x
  3. Step 3: Cross multiply
    20,470,909x = 43,776,170 × 43,776,170
  4. Step 4: Simplify right side
    20,470,909x = 1,916,353,059,868,900
  5. Step 5: Solve for x
    x = 1,916,353,059,868,900/20,470,909
  6. Step 6: Final answer
    x = 93,613,481.45

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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.