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Finding the Third Proportional to 28,000 and 40,344

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Solution

The third proportional to 28,000 and 40,344 is: 58,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000 : 40,344 = 40,344 : x
  2. Step 2: Convert to fraction form
    28,000/40,344 = 40,344/x
  3. Step 3: Cross multiply
    28,000x = 40,344 × 40,344
  4. Step 4: Simplify right side
    28,000x = 1,627,638,336
  5. Step 5: Solve for x
    x = 1,627,638,336/28,000
  6. Step 6: Final answer
    x = 58,129.94

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.