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Finding the Third Proportional to 3,457 and 7,283

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Solution

The third proportional to 3,457 and 7,283 is: 15,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457 : 7,283 = 7,283 : x
  2. Step 2: Convert to fraction form
    3,457/7,283 = 7,283/x
  3. Step 3: Cross multiply
    3,457x = 7,283 × 7,283
  4. Step 4: Simplify right side
    3,457x = 53,042,089
  5. Step 5: Solve for x
    x = 53,042,089/3,457
  6. Step 6: Final answer
    x = 15,343.39

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.