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Finding the Third Proportional to 7,319 and 16,005

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Solution

The third proportional to 7,319 and 16,005 is: 34,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319 : 16,005 = 16,005 : x
  2. Step 2: Convert to fraction form
    7,319/16,005 = 16,005/x
  3. Step 3: Cross multiply
    7,319x = 16,005 × 16,005
  4. Step 4: Simplify right side
    7,319x = 256,160,025
  5. Step 5: Solve for x
    x = 256,160,025/7,319
  6. Step 6: Final answer
    x = 34,999.32

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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.