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Finding the Third Proportional to 5,132 and 8,157

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Solution

The third proportional to 5,132 and 8,157 is: 12,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132 : 8,157 = 8,157 : x
  2. Step 2: Convert to fraction form
    5,132/8,157 = 8,157/x
  3. Step 3: Cross multiply
    5,132x = 8,157 × 8,157
  4. Step 4: Simplify right side
    5,132x = 66,536,649
  5. Step 5: Solve for x
    x = 66,536,649/5,132
  6. Step 6: Final answer
    x = 12,965.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.