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Finding the Third Proportional to 41,688,090 and 90,552,631

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Solution

The third proportional to 41,688,090 and 90,552,631 is: 196,693,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688,090 : 90,552,631 = 90,552,631 : x
  2. Step 2: Convert to fraction form
    41,688,090/90,552,631 = 90,552,631/x
  3. Step 3: Cross multiply
    41,688,090x = 90,552,631 × 90,552,631
  4. Step 4: Simplify right side
    41,688,090x = 8,199,778,981,022,161
  5. Step 5: Solve for x
    x = 8,199,778,981,022,161/41,688,090
  6. Step 6: Final answer
    x = 196,693,563.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.