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Finding the Third Proportional to 787.36 and 1,132.03

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Solution

The third proportional to 787.36 and 1,132.03 is: 1,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787.36 : 1,132.03 = 1,132.03 : x
  2. Step 2: Convert to fraction form
    787.36/1,132.03 = 1,132.03/x
  3. Step 3: Cross multiply
    787.36x = 1,132.03 × 1,132.03
  4. Step 4: Simplify right side
    787.36x = 1,281,494.75
  5. Step 5: Solve for x
    x = 1,281,494.75/787.36
  6. Step 6: Final answer
    x = 1,627.59

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.