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Finding the Third Proportional to 136,599.75 and 278,618.06

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Solution

The third proportional to 136,599.75 and 278,618.06 is: 568,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,599.75 : 278,618.06 = 278,618.06 : x
  2. Step 2: Convert to fraction form
    136,599.75/278,618.06 = 278,618.06/x
  3. Step 3: Cross multiply
    136,599.75x = 278,618.06 × 278,618.06
  4. Step 4: Simplify right side
    136,599.75x = 77,628,024,751.25
  5. Step 5: Solve for x
    x = 77,628,024,751.25/136,599.75
  6. Step 6: Final answer
    x = 568,288.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.