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Finding the Third Proportional to 8,551,355 and 18,447,918

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Solution

The third proportional to 8,551,355 and 18,447,918 is: 39,797,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551,355 : 18,447,918 = 18,447,918 : x
  2. Step 2: Convert to fraction form
    8,551,355/18,447,918 = 18,447,918/x
  3. Step 3: Cross multiply
    8,551,355x = 18,447,918 × 18,447,918
  4. Step 4: Simplify right side
    8,551,355x = 340,325,678,534,724
  5. Step 5: Solve for x
    x = 340,325,678,534,724/8,551,355
  6. Step 6: Final answer
    x = 39,797,865.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.