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Finding the Third Proportional to 4,028 and 5,702

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Solution

The third proportional to 4,028 and 5,702 is: 8,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028 : 5,702 = 5,702 : x
  2. Step 2: Convert to fraction form
    4,028/5,702 = 5,702/x
  3. Step 3: Cross multiply
    4,028x = 5,702 × 5,702
  4. Step 4: Simplify right side
    4,028x = 32,512,804
  5. Step 5: Solve for x
    x = 32,512,804/4,028
  6. Step 6: Final answer
    x = 8,071.70

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.