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Finding the Third Proportional to 68,402.25 and 109,271.75

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Solution

The third proportional to 68,402.25 and 109,271.75 is: 174,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,402.25 : 109,271.75 = 109,271.75 : x
  2. Step 2: Convert to fraction form
    68,402.25/109,271.75 = 109,271.75/x
  3. Step 3: Cross multiply
    68,402.25x = 109,271.75 × 109,271.75
  4. Step 4: Simplify right side
    68,402.25x = 11,940,315,348.06
  5. Step 5: Solve for x
    x = 11,940,315,348.06/68,402.25
  6. Step 6: Final answer
    x = 174,560.27

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.