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Finding the Third Proportional to 5,172 and 8,010

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Solution

The third proportional to 5,172 and 8,010 is: 12,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172 : 8,010 = 8,010 : x
  2. Step 2: Convert to fraction form
    5,172/8,010 = 8,010/x
  3. Step 3: Cross multiply
    5,172x = 8,010 × 8,010
  4. Step 4: Simplify right side
    5,172x = 64,160,100
  5. Step 5: Solve for x
    x = 64,160,100/5,172
  6. Step 6: Final answer
    x = 12,405.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.