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Finding the Third Proportional to 6,898 and 14,090

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Solution

The third proportional to 6,898 and 14,090 is: 28,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898 : 14,090 = 14,090 : x
  2. Step 2: Convert to fraction form
    6,898/14,090 = 14,090/x
  3. Step 3: Cross multiply
    6,898x = 14,090 × 14,090
  4. Step 4: Simplify right side
    6,898x = 198,528,100
  5. Step 5: Solve for x
    x = 198,528,100/6,898
  6. Step 6: Final answer
    x = 28,780.53

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.