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Finding the Third Proportional to 15,574 and 33,740

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Solution

The third proportional to 15,574 and 33,740 is: 73,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574 : 33,740 = 33,740 : x
  2. Step 2: Convert to fraction form
    15,574/33,740 = 33,740/x
  3. Step 3: Cross multiply
    15,574x = 33,740 × 33,740
  4. Step 4: Simplify right side
    15,574x = 1,138,387,600
  5. Step 5: Solve for x
    x = 1,138,387,600/15,574
  6. Step 6: Final answer
    x = 73,095.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.