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Finding the Third Proportional to 28,356 and 38,922

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Solution

The third proportional to 28,356 and 38,922 is: 53,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356 : 38,922 = 38,922 : x
  2. Step 2: Convert to fraction form
    28,356/38,922 = 38,922/x
  3. Step 3: Cross multiply
    28,356x = 38,922 × 38,922
  4. Step 4: Simplify right side
    28,356x = 1,514,922,084
  5. Step 5: Solve for x
    x = 1,514,922,084/28,356
  6. Step 6: Final answer
    x = 53,425.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.