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Finding the Third Proportional to 13,170 and 14,610

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Solution

The third proportional to 13,170 and 14,610 is: 16,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170 : 14,610 = 14,610 : x
  2. Step 2: Convert to fraction form
    13,170/14,610 = 14,610/x
  3. Step 3: Cross multiply
    13,170x = 14,610 × 14,610
  4. Step 4: Simplify right side
    13,170x = 213,452,100
  5. Step 5: Solve for x
    x = 213,452,100/13,170
  6. Step 6: Final answer
    x = 16,207.45

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.