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Finding the Third Proportional to 3,980,490.50 and 8,706,243

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Solution

The third proportional to 3,980,490.50 and 8,706,243 is: 19,042,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,490.50 : 8,706,243 = 8,706,243 : x
  2. Step 2: Convert to fraction form
    3,980,490.50/8,706,243 = 8,706,243/x
  3. Step 3: Cross multiply
    3,980,490.50x = 8,706,243 × 8,706,243
  4. Step 4: Simplify right side
    3,980,490.50x = 75,798,667,175,049
  5. Step 5: Solve for x
    x = 75,798,667,175,049/3,980,490.50
  6. Step 6: Final answer
    x = 19,042,544.42

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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.