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Finding the Third Proportional to 21,103 and 46,126

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Solution

The third proportional to 21,103 and 46,126 is: 100,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,103 : 46,126 = 46,126 : x
  2. Step 2: Convert to fraction form
    21,103/46,126 = 46,126/x
  3. Step 3: Cross multiply
    21,103x = 46,126 × 46,126
  4. Step 4: Simplify right side
    21,103x = 2,127,607,876
  5. Step 5: Solve for x
    x = 2,127,607,876/21,103
  6. Step 6: Final answer
    x = 100,820.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.