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Finding the Third Proportional to 13,008 and 28,080

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Solution

The third proportional to 13,008 and 28,080 is: 60,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008 : 28,080 = 28,080 : x
  2. Step 2: Convert to fraction form
    13,008/28,080 = 28,080/x
  3. Step 3: Cross multiply
    13,008x = 28,080 × 28,080
  4. Step 4: Simplify right side
    13,008x = 788,486,400
  5. Step 5: Solve for x
    x = 788,486,400/13,008
  6. Step 6: Final answer
    x = 60,615.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.