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Finding the Third Proportional to 21,255.75 and 46,257.75

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Solution

The third proportional to 21,255.75 and 46,257.75 is: 100,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255.75 : 46,257.75 = 46,257.75 : x
  2. Step 2: Convert to fraction form
    21,255.75/46,257.75 = 46,257.75/x
  3. Step 3: Cross multiply
    21,255.75x = 46,257.75 × 46,257.75
  4. Step 4: Simplify right side
    21,255.75x = 2,139,779,435.06
  5. Step 5: Solve for x
    x = 2,139,779,435.06/21,255.75
  6. Step 6: Final answer
    x = 100,668.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.