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Finding the Third Proportional to 57,165.75 and 64,000.13

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Solution

The third proportional to 57,165.75 and 64,000.13 is: 71,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.75 : 64,000.13 = 64,000.13 : x
  2. Step 2: Convert to fraction form
    57,165.75/64,000.13 = 64,000.13/x
  3. Step 3: Cross multiply
    57,165.75x = 64,000.13 × 64,000.13
  4. Step 4: Simplify right side
    57,165.75x = 4,096,016,000.02
  5. Step 5: Solve for x
    x = 4,096,016,000.02/57,165.75
  6. Step 6: Final answer
    x = 71,651.57

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.