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Finding the Third Proportional to 15,889,920 and 33,686,496

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Solution

The third proportional to 15,889,920 and 33,686,496 is: 71,415,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,920 : 33,686,496 = 33,686,496 : x
  2. Step 2: Convert to fraction form
    15,889,920/33,686,496 = 33,686,496/x
  3. Step 3: Cross multiply
    15,889,920x = 33,686,496 × 33,686,496
  4. Step 4: Simplify right side
    15,889,920x = 1,134,780,012,758,016
  5. Step 5: Solve for x
    x = 1,134,780,012,758,016/15,889,920
  6. Step 6: Final answer
    x = 71,415,086.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.