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Finding the Third Proportional to 295 and 558.50

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Solution

The third proportional to 295 and 558.50 is: 1,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295 : 558.50 = 558.50 : x
  2. Step 2: Convert to fraction form
    295/558.50 = 558.50/x
  3. Step 3: Cross multiply
    295x = 558.50 × 558.50
  4. Step 4: Simplify right side
    295x = 311,922.25
  5. Step 5: Solve for x
    x = 311,922.25/295
  6. Step 6: Final answer
    x = 1,057.36

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.