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Finding the Third Proportional to 21,606.75 and 33,534

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Solution

The third proportional to 21,606.75 and 33,534 is: 52,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.75 : 33,534 = 33,534 : x
  2. Step 2: Convert to fraction form
    21,606.75/33,534 = 33,534/x
  3. Step 3: Cross multiply
    21,606.75x = 33,534 × 33,534
  4. Step 4: Simplify right side
    21,606.75x = 1,124,529,156
  5. Step 5: Solve for x
    x = 1,124,529,156/21,606.75
  6. Step 6: Final answer
    x = 52,045.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.