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Finding the Third Proportional to 8,821,199 and 18,994,056

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Solution

The third proportional to 8,821,199 and 18,994,056 is: 40,898,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,199 : 18,994,056 = 18,994,056 : x
  2. Step 2: Convert to fraction form
    8,821,199/18,994,056 = 18,994,056/x
  3. Step 3: Cross multiply
    8,821,199x = 18,994,056 × 18,994,056
  4. Step 4: Simplify right side
    8,821,199x = 360,774,163,331,136
  5. Step 5: Solve for x
    x = 360,774,163,331,136/8,821,199
  6. Step 6: Final answer
    x = 40,898,540.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.