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Finding the Third Proportional to 1,362.75 and 2,975.25

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Solution

The third proportional to 1,362.75 and 2,975.25 is: 6,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.75 : 2,975.25 = 2,975.25 : x
  2. Step 2: Convert to fraction form
    1,362.75/2,975.25 = 2,975.25/x
  3. Step 3: Cross multiply
    1,362.75x = 2,975.25 × 2,975.25
  4. Step 4: Simplify right side
    1,362.75x = 8,852,112.56
  5. Step 5: Solve for x
    x = 8,852,112.56/1,362.75
  6. Step 6: Final answer
    x = 6,495.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.