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Finding the Third Proportional to 33,750 and 53,640

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Solution

The third proportional to 33,750 and 53,640 is: 85,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,750 : 53,640 = 53,640 : x
  2. Step 2: Convert to fraction form
    33,750/53,640 = 53,640/x
  3. Step 3: Cross multiply
    33,750x = 53,640 × 53,640
  4. Step 4: Simplify right side
    33,750x = 2,877,249,600
  5. Step 5: Solve for x
    x = 2,877,249,600/33,750
  6. Step 6: Final answer
    x = 85,251.84

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.