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Finding the Third Proportional to 6,666.50 and 14,400

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Solution

The third proportional to 6,666.50 and 14,400 is: 31,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.50 : 14,400 = 14,400 : x
  2. Step 2: Convert to fraction form
    6,666.50/14,400 = 14,400/x
  3. Step 3: Cross multiply
    6,666.50x = 14,400 × 14,400
  4. Step 4: Simplify right side
    6,666.50x = 207,360,000
  5. Step 5: Solve for x
    x = 207,360,000/6,666.50
  6. Step 6: Final answer
    x = 31,104.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.