Home / 12,154,787.25-18,540,889.50

Finding the Third Proportional to 12,154,787.25 and 18,540,889.50

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Solution

The third proportional to 12,154,787.25 and 18,540,889.50 is: 28,282,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,787.25 : 18,540,889.50 = 18,540,889.50 : x
  2. Step 2: Convert to fraction form
    12,154,787.25/18,540,889.50 = 18,540,889.50/x
  3. Step 3: Cross multiply
    12,154,787.25x = 18,540,889.50 × 18,540,889.50
  4. Step 4: Simplify right side
    12,154,787.25x = 343,764,583,451,210.25
  5. Step 5: Solve for x
    x = 343,764,583,451,210.25/12,154,787.25
  6. Step 6: Final answer
    x = 28,282,237.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.