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Finding the Third Proportional to 38,859.75 and 51,580.13

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Solution

The third proportional to 38,859.75 and 51,580.13 is: 68,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.75 : 51,580.13 = 51,580.13 : x
  2. Step 2: Convert to fraction form
    38,859.75/51,580.13 = 51,580.13/x
  3. Step 3: Cross multiply
    38,859.75x = 51,580.13 × 51,580.13
  4. Step 4: Simplify right side
    38,859.75x = 2,660,509,295.02
  5. Step 5: Solve for x
    x = 2,660,509,295.02/38,859.75
  6. Step 6: Final answer
    x = 68,464.40

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.