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Finding the Third Proportional to 21,579.54 and 26,551.55

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Solution

The third proportional to 21,579.54 and 26,551.55 is: 32,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.54 : 26,551.55 = 26,551.55 : x
  2. Step 2: Convert to fraction form
    21,579.54/26,551.55 = 26,551.55/x
  3. Step 3: Cross multiply
    21,579.54x = 26,551.55 × 26,551.55
  4. Step 4: Simplify right side
    21,579.54x = 704,984,641.46
  5. Step 5: Solve for x
    x = 704,984,641.46/21,579.54
  6. Step 6: Final answer
    x = 32,669.12

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.