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Finding the Third Proportional to 6,289.50 and 14,688.75

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Solution

The third proportional to 6,289.50 and 14,688.75 is: 34,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.50 : 14,688.75 = 14,688.75 : x
  2. Step 2: Convert to fraction form
    6,289.50/14,688.75 = 14,688.75/x
  3. Step 3: Cross multiply
    6,289.50x = 14,688.75 × 14,688.75
  4. Step 4: Simplify right side
    6,289.50x = 215,759,376.56
  5. Step 5: Solve for x
    x = 215,759,376.56/6,289.50
  6. Step 6: Final answer
    x = 34,304.69

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.