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Finding the Third Proportional to 28,868 and 63,080

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Solution

The third proportional to 28,868 and 63,080 is: 137,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868 : 63,080 = 63,080 : x
  2. Step 2: Convert to fraction form
    28,868/63,080 = 63,080/x
  3. Step 3: Cross multiply
    28,868x = 63,080 × 63,080
  4. Step 4: Simplify right side
    28,868x = 3,979,086,400
  5. Step 5: Solve for x
    x = 3,979,086,400/28,868
  6. Step 6: Final answer
    x = 137,837.27

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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.