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Finding the Third Proportional to 38,607 and 84,321.75

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Solution

The third proportional to 38,607 and 84,321.75 is: 184,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607 : 84,321.75 = 84,321.75 : x
  2. Step 2: Convert to fraction form
    38,607/84,321.75 = 84,321.75/x
  3. Step 3: Cross multiply
    38,607x = 84,321.75 × 84,321.75
  4. Step 4: Simplify right side
    38,607x = 7,110,157,523.06
  5. Step 5: Solve for x
    x = 7,110,157,523.06/38,607
  6. Step 6: Final answer
    x = 184,167.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.