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Finding the Third Proportional to 3,891 and 9,673.50

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Solution

The third proportional to 3,891 and 9,673.50 is: 24,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891 : 9,673.50 = 9,673.50 : x
  2. Step 2: Convert to fraction form
    3,891/9,673.50 = 9,673.50/x
  3. Step 3: Cross multiply
    3,891x = 9,673.50 × 9,673.50
  4. Step 4: Simplify right side
    3,891x = 93,576,602.25
  5. Step 5: Solve for x
    x = 93,576,602.25/3,891
  6. Step 6: Final answer
    x = 24,049.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.