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Finding the Third Proportional to 2,981.25 and 4,361.63

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Solution

The third proportional to 2,981.25 and 4,361.63 is: 6,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.25 : 4,361.63 = 4,361.63 : x
  2. Step 2: Convert to fraction form
    2,981.25/4,361.63 = 4,361.63/x
  3. Step 3: Cross multiply
    2,981.25x = 4,361.63 × 4,361.63
  4. Step 4: Simplify right side
    2,981.25x = 19,023,772.64
  5. Step 5: Solve for x
    x = 19,023,772.64/2,981.25
  6. Step 6: Final answer
    x = 6,381.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.