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Finding the Third Proportional to 404.63 and 977.44

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Solution

The third proportional to 404.63 and 977.44 is: 2,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.63 : 977.44 = 977.44 : x
  2. Step 2: Convert to fraction form
    404.63/977.44 = 977.44/x
  3. Step 3: Cross multiply
    404.63x = 977.44 × 977.44
  4. Step 4: Simplify right side
    404.63x = 955,384.07
  5. Step 5: Solve for x
    x = 955,384.07/404.63
  6. Step 6: Final answer
    x = 2,361.16

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.