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Finding the Third Proportional to 7,188,261.75 and 15,472,620.56

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Solution

The third proportional to 7,188,261.75 and 15,472,620.56 is: 33,304,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,261.75 : 15,472,620.56 = 15,472,620.56 : x
  2. Step 2: Convert to fraction form
    7,188,261.75/15,472,620.56 = 15,472,620.56/x
  3. Step 3: Cross multiply
    7,188,261.75x = 15,472,620.56 × 15,472,620.56
  4. Step 4: Simplify right side
    7,188,261.75x = 239,401,987,071,097.81
  5. Step 5: Solve for x
    x = 239,401,987,071,097.81/7,188,261.75
  6. Step 6: Final answer
    x = 33,304,572.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.