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Finding the Third Proportional to 7,309 and 16,000

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Solution

The third proportional to 7,309 and 16,000 is: 35,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309 : 16,000 = 16,000 : x
  2. Step 2: Convert to fraction form
    7,309/16,000 = 16,000/x
  3. Step 3: Cross multiply
    7,309x = 16,000 × 16,000
  4. Step 4: Simplify right side
    7,309x = 256,000,000
  5. Step 5: Solve for x
    x = 256,000,000/7,309
  6. Step 6: Final answer
    x = 35,025.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.