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Finding the Third Proportional to 6,423 and 11,133

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Solution

The third proportional to 6,423 and 11,133 is: 19,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423 : 11,133 = 11,133 : x
  2. Step 2: Convert to fraction form
    6,423/11,133 = 11,133/x
  3. Step 3: Cross multiply
    6,423x = 11,133 × 11,133
  4. Step 4: Simplify right side
    6,423x = 123,943,689
  5. Step 5: Solve for x
    x = 123,943,689/6,423
  6. Step 6: Final answer
    x = 19,296.85

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.