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Finding the Third Proportional to 301,263 and 649,182

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Solution

The third proportional to 301,263 and 649,182 is: 1,398,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,263 : 649,182 = 649,182 : x
  2. Step 2: Convert to fraction form
    301,263/649,182 = 649,182/x
  3. Step 3: Cross multiply
    301,263x = 649,182 × 649,182
  4. Step 4: Simplify right side
    301,263x = 421,437,269,124
  5. Step 5: Solve for x
    x = 421,437,269,124/301,263
  6. Step 6: Final answer
    x = 1,398,901.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.