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Finding the Third Proportional to 19,921,873 and 43,534,251

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Solution

The third proportional to 19,921,873 and 43,534,251 is: 95,133,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921,873 : 43,534,251 = 43,534,251 : x
  2. Step 2: Convert to fraction form
    19,921,873/43,534,251 = 43,534,251/x
  3. Step 3: Cross multiply
    19,921,873x = 43,534,251 × 43,534,251
  4. Step 4: Simplify right side
    19,921,873x = 1,895,231,010,131,001
  5. Step 5: Solve for x
    x = 1,895,231,010,131,001/19,921,873
  6. Step 6: Final answer
    x = 95,133,173.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.