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Finding the Third Proportional to 202.50 and 259.50

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Solution

The third proportional to 202.50 and 259.50 is: 332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.50 : 259.50 = 259.50 : x
  2. Step 2: Convert to fraction form
    202.50/259.50 = 259.50/x
  3. Step 3: Cross multiply
    202.50x = 259.50 × 259.50
  4. Step 4: Simplify right side
    202.50x = 67,340.25
  5. Step 5: Solve for x
    x = 67,340.25/202.50
  6. Step 6: Final answer
    x = 332.54

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.