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Finding the Third Proportional to 134,055 and 208,440

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Solution

The third proportional to 134,055 and 208,440 is: 324,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,055 : 208,440 = 208,440 : x
  2. Step 2: Convert to fraction form
    134,055/208,440 = 208,440/x
  3. Step 3: Cross multiply
    134,055x = 208,440 × 208,440
  4. Step 4: Simplify right side
    134,055x = 43,447,233,600
  5. Step 5: Solve for x
    x = 43,447,233,600/134,055
  6. Step 6: Final answer
    x = 324,100.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.