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Finding the Third Proportional to 195.13 and 428.50

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Solution

The third proportional to 195.13 and 428.50 is: 941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.13 : 428.50 = 428.50 : x
  2. Step 2: Convert to fraction form
    195.13/428.50 = 428.50/x
  3. Step 3: Cross multiply
    195.13x = 428.50 × 428.50
  4. Step 4: Simplify right side
    195.13x = 183,612.25
  5. Step 5: Solve for x
    x = 183,612.25/195.13
  6. Step 6: Final answer
    x = 941.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.