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Finding the Third Proportional to 40,484,673 and 87,420,396

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Solution

The third proportional to 40,484,673 and 87,420,396 is: 188,770,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484,673 : 87,420,396 = 87,420,396 : x
  2. Step 2: Convert to fraction form
    40,484,673/87,420,396 = 87,420,396/x
  3. Step 3: Cross multiply
    40,484,673x = 87,420,396 × 87,420,396
  4. Step 4: Simplify right side
    40,484,673x = 7,642,325,636,796,816
  5. Step 5: Solve for x
    x = 7,642,325,636,796,816/40,484,673
  6. Step 6: Final answer
    x = 188,770,837.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.