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Finding the Third Proportional to 903.94 and 2,422.13

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Solution

The third proportional to 903.94 and 2,422.13 is: 6,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.94 : 2,422.13 = 2,422.13 : x
  2. Step 2: Convert to fraction form
    903.94/2,422.13 = 2,422.13/x
  3. Step 3: Cross multiply
    903.94x = 2,422.13 × 2,422.13
  4. Step 4: Simplify right side
    903.94x = 5,866,689.52
  5. Step 5: Solve for x
    x = 5,866,689.52/903.94
  6. Step 6: Final answer
    x = 6,490.15

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Why These Related Problems?

These problems maintain the same ratio (2.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.