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Finding the Third Proportional to 295.75 and 422.50

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Solution

The third proportional to 295.75 and 422.50 is: 603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.75 : 422.50 = 422.50 : x
  2. Step 2: Convert to fraction form
    295.75/422.50 = 422.50/x
  3. Step 3: Cross multiply
    295.75x = 422.50 × 422.50
  4. Step 4: Simplify right side
    295.75x = 178,506.25
  5. Step 5: Solve for x
    x = 178,506.25/295.75
  6. Step 6: Final answer
    x = 603.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.