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Finding the Third Proportional to 28,608 and 45,504

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Solution

The third proportional to 28,608 and 45,504 is: 72,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608 : 45,504 = 45,504 : x
  2. Step 2: Convert to fraction form
    28,608/45,504 = 45,504/x
  3. Step 3: Cross multiply
    28,608x = 45,504 × 45,504
  4. Step 4: Simplify right side
    28,608x = 2,070,614,016
  5. Step 5: Solve for x
    x = 2,070,614,016/28,608
  6. Step 6: Final answer
    x = 72,378.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.