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Finding the Third Proportional to 38,881.75 and 58,309.75

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Solution

The third proportional to 38,881.75 and 58,309.75 is: 87,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.75 : 58,309.75 = 58,309.75 : x
  2. Step 2: Convert to fraction form
    38,881.75/58,309.75 = 58,309.75/x
  3. Step 3: Cross multiply
    38,881.75x = 58,309.75 × 58,309.75
  4. Step 4: Simplify right side
    38,881.75x = 3,400,026,945.06
  5. Step 5: Solve for x
    x = 3,400,026,945.06/38,881.75
  6. Step 6: Final answer
    x = 87,445.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.