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Finding the Third Proportional to 22,205.07 and 28,808.79

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Solution

The third proportional to 22,205.07 and 28,808.79 is: 37,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.07 : 28,808.79 = 28,808.79 : x
  2. Step 2: Convert to fraction form
    22,205.07/28,808.79 = 28,808.79/x
  3. Step 3: Cross multiply
    22,205.07x = 28,808.79 × 28,808.79
  4. Step 4: Simplify right side
    22,205.07x = 829,946,327.25
  5. Step 5: Solve for x
    x = 829,946,327.25/22,205.07
  6. Step 6: Final answer
    x = 37,376.43

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.