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Finding the Third Proportional to 1,131.75 and 1,461.94

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Solution

The third proportional to 1,131.75 and 1,461.94 is: 1,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.75 : 1,461.94 = 1,461.94 : x
  2. Step 2: Convert to fraction form
    1,131.75/1,461.94 = 1,461.94/x
  3. Step 3: Cross multiply
    1,131.75x = 1,461.94 × 1,461.94
  4. Step 4: Simplify right side
    1,131.75x = 2,137,261.25
  5. Step 5: Solve for x
    x = 2,137,261.25/1,131.75
  6. Step 6: Final answer
    x = 1,888.46

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These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.