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Finding the Third Proportional to 28,336 and 41,640

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Solution

The third proportional to 28,336 and 41,640 is: 61,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336 : 41,640 = 41,640 : x
  2. Step 2: Convert to fraction form
    28,336/41,640 = 41,640/x
  3. Step 3: Cross multiply
    28,336x = 41,640 × 41,640
  4. Step 4: Simplify right side
    28,336x = 1,733,889,600
  5. Step 5: Solve for x
    x = 1,733,889,600/28,336
  6. Step 6: Final answer
    x = 61,190.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.