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Finding the Third Proportional to 6,890.06 and 17,868.09

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Solution

The third proportional to 6,890.06 and 17,868.09 is: 46,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.06 : 17,868.09 = 17,868.09 : x
  2. Step 2: Convert to fraction form
    6,890.06/17,868.09 = 17,868.09/x
  3. Step 3: Cross multiply
    6,890.06x = 17,868.09 × 17,868.09
  4. Step 4: Simplify right side
    6,890.06x = 319,268,774.26
  5. Step 5: Solve for x
    x = 319,268,774.26/6,890.06
  6. Step 6: Final answer
    x = 46,337.57

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.