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Finding the Third Proportional to 27,768 and 58,080

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Solution

The third proportional to 27,768 and 58,080 is: 121,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768 : 58,080 = 58,080 : x
  2. Step 2: Convert to fraction form
    27,768/58,080 = 58,080/x
  3. Step 3: Cross multiply
    27,768x = 58,080 × 58,080
  4. Step 4: Simplify right side
    27,768x = 3,373,286,400
  5. Step 5: Solve for x
    x = 3,373,286,400/27,768
  6. Step 6: Final answer
    x = 121,481.07

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.