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Finding the Third Proportional to 31,326.75 and 47,982.47

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Solution

The third proportional to 31,326.75 and 47,982.47 is: 73,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.75 : 47,982.47 = 47,982.47 : x
  2. Step 2: Convert to fraction form
    31,326.75/47,982.47 = 47,982.47/x
  3. Step 3: Cross multiply
    31,326.75x = 47,982.47 × 47,982.47
  4. Step 4: Simplify right side
    31,326.75x = 2,302,317,307.34
  5. Step 5: Solve for x
    x = 2,302,317,307.34/31,326.75
  6. Step 6: Final answer
    x = 73,493.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.