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Finding the Third Proportional to 7,673 and 19,709

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Solution

The third proportional to 7,673 and 19,709 is: 50,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673 : 19,709 = 19,709 : x
  2. Step 2: Convert to fraction form
    7,673/19,709 = 19,709/x
  3. Step 3: Cross multiply
    7,673x = 19,709 × 19,709
  4. Step 4: Simplify right side
    7,673x = 388,444,681
  5. Step 5: Solve for x
    x = 388,444,681/7,673
  6. Step 6: Final answer
    x = 50,624.88

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Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.