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Finding the Third Proportional to 11,418,628.50 and 15,552,870.75

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Solution

The third proportional to 11,418,628.50 and 15,552,870.75 is: 21,183,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418,628.50 : 15,552,870.75 = 15,552,870.75 : x
  2. Step 2: Convert to fraction form
    11,418,628.50/15,552,870.75 = 15,552,870.75/x
  3. Step 3: Cross multiply
    11,418,628.50x = 15,552,870.75 × 15,552,870.75
  4. Step 4: Simplify right side
    11,418,628.50x = 241,891,788,566,205.56
  5. Step 5: Solve for x
    x = 241,891,788,566,205.56/11,418,628.50
  6. Step 6: Final answer
    x = 21,183,961.68

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.