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Finding the Third Proportional to 85,266.25 and 142,101.50

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Solution

The third proportional to 85,266.25 and 142,101.50 is: 236,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.25 : 142,101.50 = 142,101.50 : x
  2. Step 2: Convert to fraction form
    85,266.25/142,101.50 = 142,101.50/x
  3. Step 3: Cross multiply
    85,266.25x = 142,101.50 × 142,101.50
  4. Step 4: Simplify right side
    85,266.25x = 20,192,836,302.25
  5. Step 5: Solve for x
    x = 20,192,836,302.25/85,266.25
  6. Step 6: Final answer
    x = 236,820.97

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.