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Finding the Third Proportional to 134,372.25 and 203,070.38

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Solution

The third proportional to 134,372.25 and 203,070.38 is: 306,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,372.25 : 203,070.38 = 203,070.38 : x
  2. Step 2: Convert to fraction form
    134,372.25/203,070.38 = 203,070.38/x
  3. Step 3: Cross multiply
    134,372.25x = 203,070.38 × 203,070.38
  4. Step 4: Simplify right side
    134,372.25x = 41,237,577,202.64
  5. Step 5: Solve for x
    x = 41,237,577,202.64/134,372.25
  6. Step 6: Final answer
    x = 306,890.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.