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Finding the Third Proportional to 20,858 and 46,378

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Solution

The third proportional to 20,858 and 46,378 is: 103,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858 : 46,378 = 46,378 : x
  2. Step 2: Convert to fraction form
    20,858/46,378 = 46,378/x
  3. Step 3: Cross multiply
    20,858x = 46,378 × 46,378
  4. Step 4: Simplify right side
    20,858x = 2,150,918,884
  5. Step 5: Solve for x
    x = 2,150,918,884/20,858
  6. Step 6: Final answer
    x = 103,122.01

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.