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Finding the Third Proportional to 21,159 and 46,469.25

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Solution

The third proportional to 21,159 and 46,469.25 is: 102,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159 : 46,469.25 = 46,469.25 : x
  2. Step 2: Convert to fraction form
    21,159/46,469.25 = 46,469.25/x
  3. Step 3: Cross multiply
    21,159x = 46,469.25 × 46,469.25
  4. Step 4: Simplify right side
    21,159x = 2,159,391,195.56
  5. Step 5: Solve for x
    x = 2,159,391,195.56/21,159
  6. Step 6: Final answer
    x = 102,055.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.