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Finding the Third Proportional to 7,216,569 and 15,703,612

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Solution

The third proportional to 7,216,569 and 15,703,612 is: 34,171,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,569 : 15,703,612 = 15,703,612 : x
  2. Step 2: Convert to fraction form
    7,216,569/15,703,612 = 15,703,612/x
  3. Step 3: Cross multiply
    7,216,569x = 15,703,612 × 15,703,612
  4. Step 4: Simplify right side
    7,216,569x = 246,603,429,846,544
  5. Step 5: Solve for x
    x = 246,603,429,846,544/7,216,569
  6. Step 6: Final answer
    x = 34,171,838.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.