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Finding the Third Proportional to 703.13 and 1,479.09

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Solution

The third proportional to 703.13 and 1,479.09 is: 3,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.13 : 1,479.09 = 1,479.09 : x
  2. Step 2: Convert to fraction form
    703.13/1,479.09 = 1,479.09/x
  3. Step 3: Cross multiply
    703.13x = 1,479.09 × 1,479.09
  4. Step 4: Simplify right side
    703.13x = 2,187,718.32
  5. Step 5: Solve for x
    x = 2,187,718.32/703.13
  6. Step 6: Final answer
    x = 3,111.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.