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Finding the Third Proportional to 1,263.94 and 2,292.47

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Solution

The third proportional to 1,263.94 and 2,292.47 is: 4,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.94 : 2,292.47 = 2,292.47 : x
  2. Step 2: Convert to fraction form
    1,263.94/2,292.47 = 2,292.47/x
  3. Step 3: Cross multiply
    1,263.94x = 2,292.47 × 2,292.47
  4. Step 4: Simplify right side
    1,263.94x = 5,255,412.97
  5. Step 5: Solve for x
    x = 5,255,412.97/1,263.94
  6. Step 6: Final answer
    x = 4,157.97

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.