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Finding the Third Proportional to 3,211,731 and 4,728,881.25

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Solution

The third proportional to 3,211,731 and 4,728,881.25 is: 6,962,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,731 : 4,728,881.25 = 4,728,881.25 : x
  2. Step 2: Convert to fraction form
    3,211,731/4,728,881.25 = 4,728,881.25/x
  3. Step 3: Cross multiply
    3,211,731x = 4,728,881.25 × 4,728,881.25
  4. Step 4: Simplify right side
    3,211,731x = 22,362,317,876,601.56
  5. Step 5: Solve for x
    x = 22,362,317,876,601.56/3,211,731
  6. Step 6: Final answer
    x = 6,962,699.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.