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Finding the Third Proportional to 114.50 and 203.13

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Solution

The third proportional to 114.50 and 203.13 is: 360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.50 : 203.13 = 203.13 : x
  2. Step 2: Convert to fraction form
    114.50/203.13 = 203.13/x
  3. Step 3: Cross multiply
    114.50x = 203.13 × 203.13
  4. Step 4: Simplify right side
    114.50x = 41,259.77
  5. Step 5: Solve for x
    x = 41,259.77/114.50
  6. Step 6: Final answer
    x = 360.35

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.