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Finding the Third Proportional to 36,240 and 53,336

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Solution

The third proportional to 36,240 and 53,336 is: 78,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240 : 53,336 = 53,336 : x
  2. Step 2: Convert to fraction form
    36,240/53,336 = 53,336/x
  3. Step 3: Cross multiply
    36,240x = 53,336 × 53,336
  4. Step 4: Simplify right side
    36,240x = 2,844,728,896
  5. Step 5: Solve for x
    x = 2,844,728,896/36,240
  6. Step 6: Final answer
    x = 78,496.93

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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.