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Finding the Third Proportional to 42,033,612 and 90,551,512

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Solution

The third proportional to 42,033,612 and 90,551,512 is: 195,071,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033,612 : 90,551,512 = 90,551,512 : x
  2. Step 2: Convert to fraction form
    42,033,612/90,551,512 = 90,551,512/x
  3. Step 3: Cross multiply
    42,033,612x = 90,551,512 × 90,551,512
  4. Step 4: Simplify right side
    42,033,612x = 8,199,576,325,486,144
  5. Step 5: Solve for x
    x = 8,199,576,325,486,144/42,033,612
  6. Step 6: Final answer
    x = 195,071,894.50

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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.