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Finding the Third Proportional to 28,023.75 and 58,644

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Solution

The third proportional to 28,023.75 and 58,644 is: 122,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.75 : 58,644 = 58,644 : x
  2. Step 2: Convert to fraction form
    28,023.75/58,644 = 58,644/x
  3. Step 3: Cross multiply
    28,023.75x = 58,644 × 58,644
  4. Step 4: Simplify right side
    28,023.75x = 3,439,118,736
  5. Step 5: Solve for x
    x = 3,439,118,736/28,023.75
  6. Step 6: Final answer
    x = 122,721.57

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.