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Finding the Third Proportional to 28,686 and 61,904

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Solution

The third proportional to 28,686 and 61,904 is: 133,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686 : 61,904 = 61,904 : x
  2. Step 2: Convert to fraction form
    28,686/61,904 = 61,904/x
  3. Step 3: Cross multiply
    28,686x = 61,904 × 61,904
  4. Step 4: Simplify right side
    28,686x = 3,832,105,216
  5. Step 5: Solve for x
    x = 3,832,105,216/28,686
  6. Step 6: Final answer
    x = 133,587.99

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