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Finding the Third Proportional to 12,112,989.96 and 18,178,344

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Solution

The third proportional to 12,112,989.96 and 18,178,344 is: 27,280,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,989.96 : 18,178,344 = 18,178,344 : x
  2. Step 2: Convert to fraction form
    12,112,989.96/18,178,344 = 18,178,344/x
  3. Step 3: Cross multiply
    12,112,989.96x = 18,178,344 × 18,178,344
  4. Step 4: Simplify right side
    12,112,989.96x = 330,452,190,582,336
  5. Step 5: Solve for x
    x = 330,452,190,582,336/12,112,989.96
  6. Step 6: Final answer
    x = 27,280,811.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.