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Finding the Third Proportional to 2,153,544 and 4,663,728

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Solution

The third proportional to 2,153,544 and 4,663,728 is: 10,099,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,544 : 4,663,728 = 4,663,728 : x
  2. Step 2: Convert to fraction form
    2,153,544/4,663,728 = 4,663,728/x
  3. Step 3: Cross multiply
    2,153,544x = 4,663,728 × 4,663,728
  4. Step 4: Simplify right side
    2,153,544x = 21,750,358,857,984
  5. Step 5: Solve for x
    x = 21,750,358,857,984/2,153,544
  6. Step 6: Final answer
    x = 10,099,797.76

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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.