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Finding the Third Proportional to 1,479.19 and 2,056.69

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Solution

The third proportional to 1,479.19 and 2,056.69 is: 2,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.19 : 2,056.69 = 2,056.69 : x
  2. Step 2: Convert to fraction form
    1,479.19/2,056.69 = 2,056.69/x
  3. Step 3: Cross multiply
    1,479.19x = 2,056.69 × 2,056.69
  4. Step 4: Simplify right side
    1,479.19x = 4,229,963.47
  5. Step 5: Solve for x
    x = 4,229,963.47/1,479.19
  6. Step 6: Final answer
    x = 2,859.65

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.