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Finding the Third Proportional to 6,913 and 15,170

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Solution

The third proportional to 6,913 and 15,170 is: 33,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913 : 15,170 = 15,170 : x
  2. Step 2: Convert to fraction form
    6,913/15,170 = 15,170/x
  3. Step 3: Cross multiply
    6,913x = 15,170 × 15,170
  4. Step 4: Simplify right side
    6,913x = 230,128,900
  5. Step 5: Solve for x
    x = 230,128,900/6,913
  6. Step 6: Final answer
    x = 33,289.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.