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Finding the Third Proportional to 3,542,720,649.75 and 7,611,190,591.50

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Solution

The third proportional to 3,542,720,649.75 and 7,611,190,591.50 is: 16,351,902,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,720,649.75 : 7,611,190,591.50 = 7,611,190,591.50 : x
  2. Step 2: Convert to fraction form
    3,542,720,649.75/7,611,190,591.50 = 7,611,190,591.50/x
  3. Step 3: Cross multiply
    3,542,720,649.75x = 7,611,190,591.50 × 7,611,190,591.50
  4. Step 4: Simplify right side
    3,542,720,649.75x = 57,930,222,220,138,119,168
  5. Step 5: Solve for x
    x = 57,930,222,220,138,119,168/3,542,720,649.75
  6. Step 6: Final answer
    x = 16,351,902,378.82

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1.5x scale

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.