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Finding the Third Proportional to 31,862.25 and 69,266.25

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Solution

The third proportional to 31,862.25 and 69,266.25 is: 150,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.25 : 69,266.25 = 69,266.25 : x
  2. Step 2: Convert to fraction form
    31,862.25/69,266.25 = 69,266.25/x
  3. Step 3: Cross multiply
    31,862.25x = 69,266.25 × 69,266.25
  4. Step 4: Simplify right side
    31,862.25x = 4,797,813,389.06
  5. Step 5: Solve for x
    x = 4,797,813,389.06/31,862.25
  6. Step 6: Final answer
    x = 150,579.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.