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Finding the Third Proportional to 206.25 and 448.50

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Solution

The third proportional to 206.25 and 448.50 is: 975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.25 : 448.50 = 448.50 : x
  2. Step 2: Convert to fraction form
    206.25/448.50 = 448.50/x
  3. Step 3: Cross multiply
    206.25x = 448.50 × 448.50
  4. Step 4: Simplify right side
    206.25x = 201,152.25
  5. Step 5: Solve for x
    x = 201,152.25/206.25
  6. Step 6: Final answer
    x = 975.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.