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Finding the Third Proportional to 15,447 and 33,666

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Solution

The third proportional to 15,447 and 33,666 is: 73,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447 : 33,666 = 33,666 : x
  2. Step 2: Convert to fraction form
    15,447/33,666 = 33,666/x
  3. Step 3: Cross multiply
    15,447x = 33,666 × 33,666
  4. Step 4: Simplify right side
    15,447x = 1,133,399,556
  5. Step 5: Solve for x
    x = 1,133,399,556/15,447
  6. Step 6: Final answer
    x = 73,373.44

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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.