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Finding the Third Proportional to 21,990,064 and 44,571,112

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Solution

The third proportional to 21,990,064 and 44,571,112 is: 90,340,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,064 : 44,571,112 = 44,571,112 : x
  2. Step 2: Convert to fraction form
    21,990,064/44,571,112 = 44,571,112/x
  3. Step 3: Cross multiply
    21,990,064x = 44,571,112 × 44,571,112
  4. Step 4: Simplify right side
    21,990,064x = 1,986,584,024,916,544
  5. Step 5: Solve for x
    x = 1,986,584,024,916,544/21,990,064
  6. Step 6: Final answer
    x = 90,340,074.72

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.