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Finding the Third Proportional to 61,974 and 127,617.75

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Solution

The third proportional to 61,974 and 127,617.75 is: 262,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,974 : 127,617.75 = 127,617.75 : x
  2. Step 2: Convert to fraction form
    61,974/127,617.75 = 127,617.75/x
  3. Step 3: Cross multiply
    61,974x = 127,617.75 × 127,617.75
  4. Step 4: Simplify right side
    61,974x = 16,286,290,115.06
  5. Step 5: Solve for x
    x = 16,286,290,115.06/61,974
  6. Step 6: Final answer
    x = 262,792.30

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.