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Finding the Third Proportional to 4,318 and 9,995

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Solution

The third proportional to 4,318 and 9,995 is: 23,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318 : 9,995 = 9,995 : x
  2. Step 2: Convert to fraction form
    4,318/9,995 = 9,995/x
  3. Step 3: Cross multiply
    4,318x = 9,995 × 9,995
  4. Step 4: Simplify right side
    4,318x = 99,900,025
  5. Step 5: Solve for x
    x = 99,900,025/4,318
  6. Step 6: Final answer
    x = 23,135.72

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.