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Finding the Third Proportional to 35,872 and 52,800

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Solution

The third proportional to 35,872 and 52,800 is: 77,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872 : 52,800 = 52,800 : x
  2. Step 2: Convert to fraction form
    35,872/52,800 = 52,800/x
  3. Step 3: Cross multiply
    35,872x = 52,800 × 52,800
  4. Step 4: Simplify right side
    35,872x = 2,787,840,000
  5. Step 5: Solve for x
    x = 2,787,840,000/35,872
  6. Step 6: Final answer
    x = 77,716.32

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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.