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Finding the Third Proportional to 6,666 and 14,302.50

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Solution

The third proportional to 6,666 and 14,302.50 is: 30,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666 : 14,302.50 = 14,302.50 : x
  2. Step 2: Convert to fraction form
    6,666/14,302.50 = 14,302.50/x
  3. Step 3: Cross multiply
    6,666x = 14,302.50 × 14,302.50
  4. Step 4: Simplify right side
    6,666x = 204,561,506.25
  5. Step 5: Solve for x
    x = 204,561,506.25/6,666
  6. Step 6: Final answer
    x = 30,687.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.