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Finding the Third Proportional to 1,247.91 and 2,967.47

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Solution

The third proportional to 1,247.91 and 2,967.47 is: 7,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.91 : 2,967.47 = 2,967.47 : x
  2. Step 2: Convert to fraction form
    1,247.91/2,967.47 = 2,967.47/x
  3. Step 3: Cross multiply
    1,247.91x = 2,967.47 × 2,967.47
  4. Step 4: Simplify right side
    1,247.91x = 8,805,870.78
  5. Step 5: Solve for x
    x = 8,805,870.78/1,247.91
  6. Step 6: Final answer
    x = 7,056.52

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.