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Finding the Third Proportional to 4,362 and 6,645.75

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Solution

The third proportional to 4,362 and 6,645.75 is: 10,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362 : 6,645.75 = 6,645.75 : x
  2. Step 2: Convert to fraction form
    4,362/6,645.75 = 6,645.75/x
  3. Step 3: Cross multiply
    4,362x = 6,645.75 × 6,645.75
  4. Step 4: Simplify right side
    4,362x = 44,165,993.06
  5. Step 5: Solve for x
    x = 44,165,993.06/4,362
  6. Step 6: Final answer
    x = 10,125.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.