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Finding the Third Proportional to 304,869 and 470,214

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Solution

The third proportional to 304,869 and 470,214 is: 725,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869 : 470,214 = 470,214 : x
  2. Step 2: Convert to fraction form
    304,869/470,214 = 470,214/x
  3. Step 3: Cross multiply
    304,869x = 470,214 × 470,214
  4. Step 4: Simplify right side
    304,869x = 221,101,205,796
  5. Step 5: Solve for x
    x = 221,101,205,796/304,869
  6. Step 6: Final answer
    x = 725,233.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.