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Finding the Third Proportional to 146.81 and 202.50

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Solution

The third proportional to 146.81 and 202.50 is: 279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.81 : 202.50 = 202.50 : x
  2. Step 2: Convert to fraction form
    146.81/202.50 = 202.50/x
  3. Step 3: Cross multiply
    146.81x = 202.50 × 202.50
  4. Step 4: Simplify right side
    146.81x = 41,006.25
  5. Step 5: Solve for x
    x = 41,006.25/146.81
  6. Step 6: Final answer
    x = 279.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.