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Finding the Third Proportional to 28,416 and 39,844

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Solution

The third proportional to 28,416 and 39,844 is: 55,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416 : 39,844 = 39,844 : x
  2. Step 2: Convert to fraction form
    28,416/39,844 = 39,844/x
  3. Step 3: Cross multiply
    28,416x = 39,844 × 39,844
  4. Step 4: Simplify right side
    28,416x = 1,587,544,336
  5. Step 5: Solve for x
    x = 1,587,544,336/28,416
  6. Step 6: Final answer
    x = 55,867.97

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.