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Finding the Third Proportional to 13,915,651 and 19,228,420

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Solution

The third proportional to 13,915,651 and 19,228,420 is: 26,569,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,651 : 19,228,420 = 19,228,420 : x
  2. Step 2: Convert to fraction form
    13,915,651/19,228,420 = 19,228,420/x
  3. Step 3: Cross multiply
    13,915,651x = 19,228,420 × 19,228,420
  4. Step 4: Simplify right side
    13,915,651x = 369,732,135,696,400
  5. Step 5: Solve for x
    x = 369,732,135,696,400/13,915,651
  6. Step 6: Final answer
    x = 26,569,517.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.