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Finding the Third Proportional to 21,606.75 and 23,442.75

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Solution

The third proportional to 21,606.75 and 23,442.75 is: 25,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.75 : 23,442.75 = 23,442.75 : x
  2. Step 2: Convert to fraction form
    21,606.75/23,442.75 = 23,442.75/x
  3. Step 3: Cross multiply
    21,606.75x = 23,442.75 × 23,442.75
  4. Step 4: Simplify right side
    21,606.75x = 549,562,527.56
  5. Step 5: Solve for x
    x = 549,562,527.56/21,606.75
  6. Step 6: Final answer
    x = 25,434.76

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.