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Finding the Third Proportional to 2,216,423 and 3,369,324

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Solution

The third proportional to 2,216,423 and 3,369,324 is: 5,121,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,423 : 3,369,324 = 3,369,324 : x
  2. Step 2: Convert to fraction form
    2,216,423/3,369,324 = 3,369,324/x
  3. Step 3: Cross multiply
    2,216,423x = 3,369,324 × 3,369,324
  4. Step 4: Simplify right side
    2,216,423x = 11,352,344,216,976
  5. Step 5: Solve for x
    x = 11,352,344,216,976/2,216,423
  6. Step 6: Final answer
    x = 5,121,921.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.