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Finding the Third Proportional to 7,381,936 and 15,867,488

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Solution

The third proportional to 7,381,936 and 15,867,488 is: 34,107,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,936 : 15,867,488 = 15,867,488 : x
  2. Step 2: Convert to fraction form
    7,381,936/15,867,488 = 15,867,488/x
  3. Step 3: Cross multiply
    7,381,936x = 15,867,488 × 15,867,488
  4. Step 4: Simplify right side
    7,381,936x = 251,777,175,430,144
  5. Step 5: Solve for x
    x = 251,777,175,430,144/7,381,936
  6. Step 6: Final answer
    x = 34,107,201.07

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.