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Finding the Third Proportional to 7,975,180 and 12,372,848

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Solution

The third proportional to 7,975,180 and 12,372,848 is: 19,195,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975,180 : 12,372,848 = 12,372,848 : x
  2. Step 2: Convert to fraction form
    7,975,180/12,372,848 = 12,372,848/x
  3. Step 3: Cross multiply
    7,975,180x = 12,372,848 × 12,372,848
  4. Step 4: Simplify right side
    7,975,180x = 153,087,367,631,104
  5. Step 5: Solve for x
    x = 153,087,367,631,104/7,975,180
  6. Step 6: Final answer
    x = 19,195,474.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.