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Finding the Third Proportional to 4,021,588 and 8,765,720

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Solution

The third proportional to 4,021,588 and 8,765,720 is: 19,106,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,588 : 8,765,720 = 8,765,720 : x
  2. Step 2: Convert to fraction form
    4,021,588/8,765,720 = 8,765,720/x
  3. Step 3: Cross multiply
    4,021,588x = 8,765,720 × 8,765,720
  4. Step 4: Simplify right side
    4,021,588x = 76,837,847,118,400
  5. Step 5: Solve for x
    x = 76,837,847,118,400/4,021,588
  6. Step 6: Final answer
    x = 19,106,344.84

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.