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Finding the Third Proportional to 85,534.50 and 134,175.75

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Solution

The third proportional to 85,534.50 and 134,175.75 is: 210,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.50 : 134,175.75 = 134,175.75 : x
  2. Step 2: Convert to fraction form
    85,534.50/134,175.75 = 134,175.75/x
  3. Step 3: Cross multiply
    85,534.50x = 134,175.75 × 134,175.75
  4. Step 4: Simplify right side
    85,534.50x = 18,003,131,888.06
  5. Step 5: Solve for x
    x = 18,003,131,888.06/85,534.50
  6. Step 6: Final answer
    x = 210,478.02

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.