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Finding the Third Proportional to 20,058.75 and 28,652.63

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Solution

The third proportional to 20,058.75 and 28,652.63 is: 40,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.75 : 28,652.63 = 28,652.63 : x
  2. Step 2: Convert to fraction form
    20,058.75/28,652.63 = 28,652.63/x
  3. Step 3: Cross multiply
    20,058.75x = 28,652.63 × 28,652.63
  4. Step 4: Simplify right side
    20,058.75x = 820,972,919.39
  5. Step 5: Solve for x
    x = 820,972,919.39/20,058.75
  6. Step 6: Final answer
    x = 40,928.42

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.