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Finding the Third Proportional to 7,851,836 and 16,940,976

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Solution

The third proportional to 7,851,836 and 16,940,976 is: 36,551,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,836 : 16,940,976 = 16,940,976 : x
  2. Step 2: Convert to fraction form
    7,851,836/16,940,976 = 16,940,976/x
  3. Step 3: Cross multiply
    7,851,836x = 16,940,976 × 16,940,976
  4. Step 4: Simplify right side
    7,851,836x = 286,996,667,832,576
  5. Step 5: Solve for x
    x = 286,996,667,832,576/7,851,836
  6. Step 6: Final answer
    x = 36,551,536.21

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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.