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Finding the Third Proportional to 7,072 and 14,855

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Solution

The third proportional to 7,072 and 14,855 is: 31,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 14,855 = 14,855 : x
  2. Step 2: Convert to fraction form
    7,072/14,855 = 14,855/x
  3. Step 3: Cross multiply
    7,072x = 14,855 × 14,855
  4. Step 4: Simplify right side
    7,072x = 220,671,025
  5. Step 5: Solve for x
    x = 220,671,025/7,072
  6. Step 6: Final answer
    x = 31,203.48

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.