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Finding the Third Proportional to 1,511.44 and 3,210.19

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Solution

The third proportional to 1,511.44 and 3,210.19 is: 6,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.44 : 3,210.19 = 3,210.19 : x
  2. Step 2: Convert to fraction form
    1,511.44/3,210.19 = 3,210.19/x
  3. Step 3: Cross multiply
    1,511.44x = 3,210.19 × 3,210.19
  4. Step 4: Simplify right side
    1,511.44x = 10,305,303.79
  5. Step 5: Solve for x
    x = 10,305,303.79/1,511.44
  6. Step 6: Final answer
    x = 6,818.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.