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Finding the Third Proportional to 8,461,936 and 18,603,488

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Solution

The third proportional to 8,461,936 and 18,603,488 is: 40,899,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,936 : 18,603,488 = 18,603,488 : x
  2. Step 2: Convert to fraction form
    8,461,936/18,603,488 = 18,603,488/x
  3. Step 3: Cross multiply
    8,461,936x = 18,603,488 × 18,603,488
  4. Step 4: Simplify right side
    8,461,936x = 346,089,765,766,144
  5. Step 5: Solve for x
    x = 346,089,765,766,144/8,461,936
  6. Step 6: Final answer
    x = 40,899,596.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.