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Finding the Third Proportional to 12,351,690 and 27,216,324

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Solution

The third proportional to 12,351,690 and 27,216,324 is: 59,969,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351,690 : 27,216,324 = 27,216,324 : x
  2. Step 2: Convert to fraction form
    12,351,690/27,216,324 = 27,216,324/x
  3. Step 3: Cross multiply
    12,351,690x = 27,216,324 × 27,216,324
  4. Step 4: Simplify right side
    12,351,690x = 740,728,292,072,976
  5. Step 5: Solve for x
    x = 740,728,292,072,976/12,351,690
  6. Step 6: Final answer
    x = 59,969,792.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.