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Finding the Third Proportional to 9,919,782 and 14,040,342

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Solution

The third proportional to 9,919,782 and 14,040,342 is: 19,872,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,782 : 14,040,342 = 14,040,342 : x
  2. Step 2: Convert to fraction form
    9,919,782/14,040,342 = 14,040,342/x
  3. Step 3: Cross multiply
    9,919,782x = 14,040,342 × 14,040,342
  4. Step 4: Simplify right side
    9,919,782x = 197,131,203,476,964
  5. Step 5: Solve for x
    x = 197,131,203,476,964/9,919,782
  6. Step 6: Final answer
    x = 19,872,533.84

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.