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Finding the Third Proportional to 147,600 and 322,908

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Solution

The third proportional to 147,600 and 322,908 is: 706,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600 : 322,908 = 322,908 : x
  2. Step 2: Convert to fraction form
    147,600/322,908 = 322,908/x
  3. Step 3: Cross multiply
    147,600x = 322,908 × 322,908
  4. Step 4: Simplify right side
    147,600x = 104,269,576,464
  5. Step 5: Solve for x
    x = 104,269,576,464/147,600
  6. Step 6: Final answer
    x = 706,433.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.