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Finding the Third Proportional to 5,247,546 and 7,887,519

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Solution

The third proportional to 5,247,546 and 7,887,519 is: 11,855,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,546 : 7,887,519 = 7,887,519 : x
  2. Step 2: Convert to fraction form
    5,247,546/7,887,519 = 7,887,519/x
  3. Step 3: Cross multiply
    5,247,546x = 7,887,519 × 7,887,519
  4. Step 4: Simplify right side
    5,247,546x = 62,212,955,975,361
  5. Step 5: Solve for x
    x = 62,212,955,975,361/5,247,546
  6. Step 6: Final answer
    x = 11,855,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.