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Finding the Third Proportional to 16,687 and 38,801.50

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Solution

The third proportional to 16,687 and 38,801.50 is: 90,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687 : 38,801.50 = 38,801.50 : x
  2. Step 2: Convert to fraction form
    16,687/38,801.50 = 38,801.50/x
  3. Step 3: Cross multiply
    16,687x = 38,801.50 × 38,801.50
  4. Step 4: Simplify right side
    16,687x = 1,505,556,402.25
  5. Step 5: Solve for x
    x = 1,505,556,402.25/16,687
  6. Step 6: Final answer
    x = 90,223.31

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.