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Finding the Third Proportional to 4,998,690 and 10,351,836

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Solution

The third proportional to 4,998,690 and 10,351,836 is: 21,437,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998,690 : 10,351,836 = 10,351,836 : x
  2. Step 2: Convert to fraction form
    4,998,690/10,351,836 = 10,351,836/x
  3. Step 3: Cross multiply
    4,998,690x = 10,351,836 × 10,351,836
  4. Step 4: Simplify right side
    4,998,690x = 107,160,508,570,896
  5. Step 5: Solve for x
    x = 107,160,508,570,896/4,998,690
  6. Step 6: Final answer
    x = 21,437,718.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.