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Finding the Third Proportional to 21,208 and 46,071

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Solution

The third proportional to 21,208 and 46,071 is: 100,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208 : 46,071 = 46,071 : x
  2. Step 2: Convert to fraction form
    21,208/46,071 = 46,071/x
  3. Step 3: Cross multiply
    21,208x = 46,071 × 46,071
  4. Step 4: Simplify right side
    21,208x = 2,122,537,041
  5. Step 5: Solve for x
    x = 2,122,537,041/21,208
  6. Step 6: Final answer
    x = 100,081.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.