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Finding the Third Proportional to 7,982,091 and 12,172,396.50

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Solution

The third proportional to 7,982,091 and 12,172,396.50 is: 18,562,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,091 : 12,172,396.50 = 12,172,396.50 : x
  2. Step 2: Convert to fraction form
    7,982,091/12,172,396.50 = 12,172,396.50/x
  3. Step 3: Cross multiply
    7,982,091x = 12,172,396.50 × 12,172,396.50
  4. Step 4: Simplify right side
    7,982,091x = 148,167,236,553,212.25
  5. Step 5: Solve for x
    x = 148,167,236,553,212.25/7,982,091
  6. Step 6: Final answer
    x = 18,562,458.95

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.