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Finding the Third Proportional to 381,555 and 607,362.75

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Solution

The third proportional to 381,555 and 607,362.75 is: 966,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,555 : 607,362.75 = 607,362.75 : x
  2. Step 2: Convert to fraction form
    381,555/607,362.75 = 607,362.75/x
  3. Step 3: Cross multiply
    381,555x = 607,362.75 × 607,362.75
  4. Step 4: Simplify right side
    381,555x = 368,889,510,087.56
  5. Step 5: Solve for x
    x = 368,889,510,087.56/381,555
  6. Step 6: Final answer
    x = 966,805.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.