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Finding the Third Proportional to 13,828,984 and 19,919,698

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Solution

The third proportional to 13,828,984 and 19,919,698 is: 28,692,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,984 : 19,919,698 = 19,919,698 : x
  2. Step 2: Convert to fraction form
    13,828,984/19,919,698 = 19,919,698/x
  3. Step 3: Cross multiply
    13,828,984x = 19,919,698 × 19,919,698
  4. Step 4: Simplify right side
    13,828,984x = 396,794,368,411,204
  5. Step 5: Solve for x
    x = 396,794,368,411,204/13,828,984
  6. Step 6: Final answer
    x = 28,692,951.59

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.