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Finding the Third Proportional to 21,532 and 33,574

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Solution

The third proportional to 21,532 and 33,574 is: 52,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532 : 33,574 = 33,574 : x
  2. Step 2: Convert to fraction form
    21,532/33,574 = 33,574/x
  3. Step 3: Cross multiply
    21,532x = 33,574 × 33,574
  4. Step 4: Simplify right side
    21,532x = 1,127,213,476
  5. Step 5: Solve for x
    x = 1,127,213,476/21,532
  6. Step 6: Final answer
    x = 52,350.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.