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Finding the Third Proportional to 715,727.81 and 1,555,702.88

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Solution

The third proportional to 715,727.81 and 1,555,702.88 is: 3,381,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,727.81 : 1,555,702.88 = 1,555,702.88 : x
  2. Step 2: Convert to fraction form
    715,727.81/1,555,702.88 = 1,555,702.88/x
  3. Step 3: Cross multiply
    715,727.81x = 1,555,702.88 × 1,555,702.88
  4. Step 4: Simplify right side
    715,727.81x = 2,420,211,435,283.27
  5. Step 5: Solve for x
    x = 2,420,211,435,283.27/715,727.81
  6. Step 6: Final answer
    x = 3,381,469.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.