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Finding the Third Proportional to 360.56 and 738.84

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Solution

The third proportional to 360.56 and 738.84 is: 1,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.56 : 738.84 = 738.84 : x
  2. Step 2: Convert to fraction form
    360.56/738.84 = 738.84/x
  3. Step 3: Cross multiply
    360.56x = 738.84 × 738.84
  4. Step 4: Simplify right side
    360.56x = 545,890.09
  5. Step 5: Solve for x
    x = 545,890.09/360.56
  6. Step 6: Final answer
    x = 1,514.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.