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Finding the Third Proportional to 293 and 556

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Solution

The third proportional to 293 and 556 is: 1,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293 : 556 = 556 : x
  2. Step 2: Convert to fraction form
    293/556 = 556/x
  3. Step 3: Cross multiply
    293x = 556 × 556
  4. Step 4: Simplify right side
    293x = 309,136
  5. Step 5: Solve for x
    x = 309,136/293
  6. Step 6: Final answer
    x = 1,055.07

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.