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Finding the Third Proportional to 7,777 and 17,133.50

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Solution

The third proportional to 7,777 and 17,133.50 is: 37,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777 : 17,133.50 = 17,133.50 : x
  2. Step 2: Convert to fraction form
    7,777/17,133.50 = 17,133.50/x
  3. Step 3: Cross multiply
    7,777x = 17,133.50 × 17,133.50
  4. Step 4: Simplify right side
    7,777x = 293,556,822.25
  5. Step 5: Solve for x
    x = 293,556,822.25/7,777
  6. Step 6: Final answer
    x = 37,746.79

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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.