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Finding the Third Proportional to 16,556.25 and 36,087

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Solution

The third proportional to 16,556.25 and 36,087 is: 78,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.25 : 36,087 = 36,087 : x
  2. Step 2: Convert to fraction form
    16,556.25/36,087 = 36,087/x
  3. Step 3: Cross multiply
    16,556.25x = 36,087 × 36,087
  4. Step 4: Simplify right side
    16,556.25x = 1,302,271,569
  5. Step 5: Solve for x
    x = 1,302,271,569/16,556.25
  6. Step 6: Final answer
    x = 78,657.40

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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.