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Finding the Third Proportional to 64,219.50 and 85,232.25

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Solution

The third proportional to 64,219.50 and 85,232.25 is: 113,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.50 : 85,232.25 = 85,232.25 : x
  2. Step 2: Convert to fraction form
    64,219.50/85,232.25 = 85,232.25/x
  3. Step 3: Cross multiply
    64,219.50x = 85,232.25 × 85,232.25
  4. Step 4: Simplify right side
    64,219.50x = 7,264,536,440.06
  5. Step 5: Solve for x
    x = 7,264,536,440.06/64,219.50
  6. Step 6: Final answer
    x = 113,120.41

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.