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Finding the Third Proportional to 149,344 and 352,420

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Solution

The third proportional to 149,344 and 352,420 is: 831,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,344 : 352,420 = 352,420 : x
  2. Step 2: Convert to fraction form
    149,344/352,420 = 352,420/x
  3. Step 3: Cross multiply
    149,344x = 352,420 × 352,420
  4. Step 4: Simplify right side
    149,344x = 124,199,856,400
  5. Step 5: Solve for x
    x = 124,199,856,400/149,344
  6. Step 6: Final answer
    x = 831,636.06

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.