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Finding the Third Proportional to 21,104 and 46,130

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Solution

The third proportional to 21,104 and 46,130 is: 100,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104 : 46,130 = 46,130 : x
  2. Step 2: Convert to fraction form
    21,104/46,130 = 46,130/x
  3. Step 3: Cross multiply
    21,104x = 46,130 × 46,130
  4. Step 4: Simplify right side
    21,104x = 2,127,976,900
  5. Step 5: Solve for x
    x = 2,127,976,900/21,104
  6. Step 6: Final answer
    x = 100,832.87

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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.