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Finding the Third Proportional to 12,439,989 and 25,873,119

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Solution

The third proportional to 12,439,989 and 25,873,119 is: 53,811,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,989 : 25,873,119 = 25,873,119 : x
  2. Step 2: Convert to fraction form
    12,439,989/25,873,119 = 25,873,119/x
  3. Step 3: Cross multiply
    12,439,989x = 25,873,119 × 25,873,119
  4. Step 4: Simplify right side
    12,439,989x = 669,418,286,788,161
  5. Step 5: Solve for x
    x = 669,418,286,788,161/12,439,989
  6. Step 6: Final answer
    x = 53,811,806.97

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.