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Finding the Third Proportional to 12,045,891.50 and 18,351,155

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Solution

The third proportional to 12,045,891.50 and 18,351,155 is: 27,956,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045,891.50 : 18,351,155 = 18,351,155 : x
  2. Step 2: Convert to fraction form
    12,045,891.50/18,351,155 = 18,351,155/x
  3. Step 3: Cross multiply
    12,045,891.50x = 18,351,155 × 18,351,155
  4. Step 4: Simplify right side
    12,045,891.50x = 336,764,889,834,025
  5. Step 5: Solve for x
    x = 336,764,889,834,025/12,045,891.50
  6. Step 6: Final answer
    x = 27,956,825.76

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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.