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Finding the Third Proportional to 1,689,013.88 and 3,715,827

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Solution

The third proportional to 1,689,013.88 and 3,715,827 is: 8,174,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,013.88 : 3,715,827 = 3,715,827 : x
  2. Step 2: Convert to fraction form
    1,689,013.88/3,715,827 = 3,715,827/x
  3. Step 3: Cross multiply
    1,689,013.88x = 3,715,827 × 3,715,827
  4. Step 4: Simplify right side
    1,689,013.88x = 13,807,370,293,929
  5. Step 5: Solve for x
    x = 13,807,370,293,929/1,689,013.88
  6. Step 6: Final answer
    x = 8,174,811.65

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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.