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Finding the Third Proportional to 374.63 and 775.13

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Solution

The third proportional to 374.63 and 775.13 is: 1,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.63 : 775.13 = 775.13 : x
  2. Step 2: Convert to fraction form
    374.63/775.13 = 775.13/x
  3. Step 3: Cross multiply
    374.63x = 775.13 × 775.13
  4. Step 4: Simplify right side
    374.63x = 600,818.77
  5. Step 5: Solve for x
    x = 600,818.77/374.63
  6. Step 6: Final answer
    x = 1,603.79

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.