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Finding the Third Proportional to 873 and 1,017

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Solution

The third proportional to 873 and 1,017 is: 1,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    873 : 1,017 = 1,017 : x
  2. Step 2: Convert to fraction form
    873/1,017 = 1,017/x
  3. Step 3: Cross multiply
    873x = 1,017 × 1,017
  4. Step 4: Simplify right side
    873x = 1,034,289
  5. Step 5: Solve for x
    x = 1,034,289/873
  6. Step 6: Final answer
    x = 1,184.75

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.