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Finding the Third Proportional to 135,276 and 214,194.50

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Solution

The third proportional to 135,276 and 214,194.50 is: 339,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,276 : 214,194.50 = 214,194.50 : x
  2. Step 2: Convert to fraction form
    135,276/214,194.50 = 214,194.50/x
  3. Step 3: Cross multiply
    135,276x = 214,194.50 × 214,194.50
  4. Step 4: Simplify right side
    135,276x = 45,879,283,830.25
  5. Step 5: Solve for x
    x = 45,879,283,830.25/135,276
  6. Step 6: Final answer
    x = 339,153.17

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.