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Finding the Third Proportional to 19,340 and 28,936

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Solution

The third proportional to 19,340 and 28,936 is: 43,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340 : 28,936 = 28,936 : x
  2. Step 2: Convert to fraction form
    19,340/28,936 = 28,936/x
  3. Step 3: Cross multiply
    19,340x = 28,936 × 28,936
  4. Step 4: Simplify right side
    19,340x = 837,292,096
  5. Step 5: Solve for x
    x = 837,292,096/19,340
  6. Step 6: Final answer
    x = 43,293.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.