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Finding the Third Proportional to 51,297.75 and 76,740.75

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Solution

The third proportional to 51,297.75 and 76,740.75 is: 114,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297.75 : 76,740.75 = 76,740.75 : x
  2. Step 2: Convert to fraction form
    51,297.75/76,740.75 = 76,740.75/x
  3. Step 3: Cross multiply
    51,297.75x = 76,740.75 × 76,740.75
  4. Step 4: Simplify right side
    51,297.75x = 5,889,142,710.56
  5. Step 5: Solve for x
    x = 5,889,142,710.56/51,297.75
  6. Step 6: Final answer
    x = 114,803.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.