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Finding the Third Proportional to 283 and 765.50

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Solution

The third proportional to 283 and 765.50 is: 2,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283 : 765.50 = 765.50 : x
  2. Step 2: Convert to fraction form
    283/765.50 = 765.50/x
  3. Step 3: Cross multiply
    283x = 765.50 × 765.50
  4. Step 4: Simplify right side
    283x = 585,990.25
  5. Step 5: Solve for x
    x = 585,990.25/283
  6. Step 6: Final answer
    x = 2,070.64

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.