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Finding the Third Proportional to 6,972.33 and 9,938.95

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Solution

The third proportional to 6,972.33 and 9,938.95 is: 14,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.33 : 9,938.95 = 9,938.95 : x
  2. Step 2: Convert to fraction form
    6,972.33/9,938.95 = 9,938.95/x
  3. Step 3: Cross multiply
    6,972.33x = 9,938.95 × 9,938.95
  4. Step 4: Simplify right side
    6,972.33x = 98,782,789.22
  5. Step 5: Solve for x
    x = 98,782,789.22/6,972.33
  6. Step 6: Final answer
    x = 14,167.83

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.