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Finding the Third Proportional to 5,439,499 and 11,839,873

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Solution

The third proportional to 5,439,499 and 11,839,873 is: 25,771,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,499 : 11,839,873 = 11,839,873 : x
  2. Step 2: Convert to fraction form
    5,439,499/11,839,873 = 11,839,873/x
  3. Step 3: Cross multiply
    5,439,499x = 11,839,873 × 11,839,873
  4. Step 4: Simplify right side
    5,439,499x = 140,182,592,656,129
  5. Step 5: Solve for x
    x = 140,182,592,656,129/5,439,499
  6. Step 6: Final answer
    x = 25,771,232.36

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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.