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Finding the Third Proportional to 6,368,182.88 and 13,987,421.63

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Solution

The third proportional to 6,368,182.88 and 13,987,421.63 is: 30,722,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,182.88 : 13,987,421.63 = 13,987,421.63 : x
  2. Step 2: Convert to fraction form
    6,368,182.88/13,987,421.63 = 13,987,421.63/x
  3. Step 3: Cross multiply
    6,368,182.88x = 13,987,421.63 × 13,987,421.63
  4. Step 4: Simplify right side
    6,368,182.88x = 195,647,963,715,517.62
  5. Step 5: Solve for x
    x = 195,647,963,715,517.62/6,368,182.88
  6. Step 6: Final answer
    x = 30,722,730.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.