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Finding the Third Proportional to 384,282 and 613,899

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Solution

The third proportional to 384,282 and 613,899 is: 980,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,282 : 613,899 = 613,899 : x
  2. Step 2: Convert to fraction form
    384,282/613,899 = 613,899/x
  3. Step 3: Cross multiply
    384,282x = 613,899 × 613,899
  4. Step 4: Simplify right side
    384,282x = 376,871,982,201
  5. Step 5: Solve for x
    x = 376,871,982,201/384,282
  6. Step 6: Final answer
    x = 980,717.24

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.