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Finding the Third Proportional to 15,120,216 and 33,179,976

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Solution

The third proportional to 15,120,216 and 33,179,976 is: 72,810,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,216 : 33,179,976 = 33,179,976 : x
  2. Step 2: Convert to fraction form
    15,120,216/33,179,976 = 33,179,976/x
  3. Step 3: Cross multiply
    15,120,216x = 33,179,976 × 33,179,976
  4. Step 4: Simplify right side
    15,120,216x = 1,100,910,807,360,576
  5. Step 5: Solve for x
    x = 1,100,910,807,360,576/15,120,216
  6. Step 6: Final answer
    x = 72,810,521.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.