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Finding the Third Proportional to 314,790.75 and 674,496.75

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Solution

The third proportional to 314,790.75 and 674,496.75 is: 1,445,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,790.75 : 674,496.75 = 674,496.75 : x
  2. Step 2: Convert to fraction form
    314,790.75/674,496.75 = 674,496.75/x
  3. Step 3: Cross multiply
    314,790.75x = 674,496.75 × 674,496.75
  4. Step 4: Simplify right side
    314,790.75x = 454,945,865,760.56
  5. Step 5: Solve for x
    x = 454,945,865,760.56/314,790.75
  6. Step 6: Final answer
    x = 1,445,232.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.