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Finding the Third Proportional to 8,632,120.50 and 18,908,865

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Solution

The third proportional to 8,632,120.50 and 18,908,865 is: 41,420,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,120.50 : 18,908,865 = 18,908,865 : x
  2. Step 2: Convert to fraction form
    8,632,120.50/18,908,865 = 18,908,865/x
  3. Step 3: Cross multiply
    8,632,120.50x = 18,908,865 × 18,908,865
  4. Step 4: Simplify right side
    8,632,120.50x = 357,545,175,588,225
  5. Step 5: Solve for x
    x = 357,545,175,588,225/8,632,120.50
  6. Step 6: Final answer
    x = 41,420,317.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.