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Finding the Third Proportional to 295 and 556

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Solution

The third proportional to 295 and 556 is: 1,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295 : 556 = 556 : x
  2. Step 2: Convert to fraction form
    295/556 = 556/x
  3. Step 3: Cross multiply
    295x = 556 × 556
  4. Step 4: Simplify right side
    295x = 309,136
  5. Step 5: Solve for x
    x = 309,136/295
  6. Step 6: Final answer
    x = 1,047.92

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.