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Finding the Third Proportional to 2,195,978 and 4,758,506.25

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Solution

The third proportional to 2,195,978 and 4,758,506.25 is: 10,311,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,978 : 4,758,506.25 = 4,758,506.25 : x
  2. Step 2: Convert to fraction form
    2,195,978/4,758,506.25 = 4,758,506.25/x
  3. Step 3: Cross multiply
    2,195,978x = 4,758,506.25 × 4,758,506.25
  4. Step 4: Simplify right side
    2,195,978x = 22,643,381,731,289.06
  5. Step 5: Solve for x
    x = 22,643,381,731,289.06/2,195,978
  6. Step 6: Final answer
    x = 10,311,297.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.