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Finding the Third Proportional to 21,572 and 33,322

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Solution

The third proportional to 21,572 and 33,322 is: 51,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572 : 33,322 = 33,322 : x
  2. Step 2: Convert to fraction form
    21,572/33,322 = 33,322/x
  3. Step 3: Cross multiply
    21,572x = 33,322 × 33,322
  4. Step 4: Simplify right side
    21,572x = 1,110,355,684
  5. Step 5: Solve for x
    x = 1,110,355,684/21,572
  6. Step 6: Final answer
    x = 51,472.08

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.