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Finding the Third Proportional to 41,806,878 and 90,020,571

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Solution

The third proportional to 41,806,878 and 90,020,571 is: 193,836,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,806,878 : 90,020,571 = 90,020,571 : x
  2. Step 2: Convert to fraction form
    41,806,878/90,020,571 = 90,020,571/x
  3. Step 3: Cross multiply
    41,806,878x = 90,020,571 × 90,020,571
  4. Step 4: Simplify right side
    41,806,878x = 8,103,703,203,166,041
  5. Step 5: Solve for x
    x = 8,103,703,203,166,041/41,806,878
  6. Step 6: Final answer
    x = 193,836,602.75

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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.