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Finding the Third Proportional to 154,491.75 and 325,590.75

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Solution

The third proportional to 154,491.75 and 325,590.75 is: 686,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.75 : 325,590.75 = 325,590.75 : x
  2. Step 2: Convert to fraction form
    154,491.75/325,590.75 = 325,590.75/x
  3. Step 3: Cross multiply
    154,491.75x = 325,590.75 × 325,590.75
  4. Step 4: Simplify right side
    154,491.75x = 106,009,336,485.56
  5. Step 5: Solve for x
    x = 106,009,336,485.56/154,491.75
  6. Step 6: Final answer
    x = 686,181.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.