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Finding the Third Proportional to 26,621 and 41,212.50

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Solution

The third proportional to 26,621 and 41,212.50 is: 63,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621 : 41,212.50 = 41,212.50 : x
  2. Step 2: Convert to fraction form
    26,621/41,212.50 = 41,212.50/x
  3. Step 3: Cross multiply
    26,621x = 41,212.50 × 41,212.50
  4. Step 4: Simplify right side
    26,621x = 1,698,470,156.25
  5. Step 5: Solve for x
    x = 1,698,470,156.25/26,621
  6. Step 6: Final answer
    x = 63,801.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.