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Finding the Third Proportional to 7,485.75 and 14,576.63

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Solution

The third proportional to 7,485.75 and 14,576.63 is: 28,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.75 : 14,576.63 = 14,576.63 : x
  2. Step 2: Convert to fraction form
    7,485.75/14,576.63 = 14,576.63/x
  3. Step 3: Cross multiply
    7,485.75x = 14,576.63 × 14,576.63
  4. Step 4: Simplify right side
    7,485.75x = 212,477,996.39
  5. Step 5: Solve for x
    x = 212,477,996.39/7,485.75
  6. Step 6: Final answer
    x = 28,384.33

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.