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Finding the Third Proportional to 2,977.50 and 7,008.75

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Solution

The third proportional to 2,977.50 and 7,008.75 is: 16,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.50 : 7,008.75 = 7,008.75 : x
  2. Step 2: Convert to fraction form
    2,977.50/7,008.75 = 7,008.75/x
  3. Step 3: Cross multiply
    2,977.50x = 7,008.75 × 7,008.75
  4. Step 4: Simplify right side
    2,977.50x = 49,122,576.56
  5. Step 5: Solve for x
    x = 49,122,576.56/2,977.50
  6. Step 6: Final answer
    x = 16,497.93

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.