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Finding the Third Proportional to 18,331,014.50 and 39,814,865

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Solution

The third proportional to 18,331,014.50 and 39,814,865 is: 86,477,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,014.50 : 39,814,865 = 39,814,865 : x
  2. Step 2: Convert to fraction form
    18,331,014.50/39,814,865 = 39,814,865/x
  3. Step 3: Cross multiply
    18,331,014.50x = 39,814,865 × 39,814,865
  4. Step 4: Simplify right side
    18,331,014.50x = 1,585,223,474,968,225
  5. Step 5: Solve for x
    x = 1,585,223,474,968,225/18,331,014.50
  6. Step 6: Final answer
    x = 86,477,672.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.