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Finding the Third Proportional to 118,236.75 and 259,468.50

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Solution

The third proportional to 118,236.75 and 259,468.50 is: 569,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,236.75 : 259,468.50 = 259,468.50 : x
  2. Step 2: Convert to fraction form
    118,236.75/259,468.50 = 259,468.50/x
  3. Step 3: Cross multiply
    118,236.75x = 259,468.50 × 259,468.50
  4. Step 4: Simplify right side
    118,236.75x = 67,323,902,492.25
  5. Step 5: Solve for x
    x = 67,323,902,492.25/118,236.75
  6. Step 6: Final answer
    x = 569,399.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.