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Finding the Third Proportional to 151,405 and 235,103

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Solution

The third proportional to 151,405 and 235,103 is: 365,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,405 : 235,103 = 235,103 : x
  2. Step 2: Convert to fraction form
    151,405/235,103 = 235,103/x
  3. Step 3: Cross multiply
    151,405x = 235,103 × 235,103
  4. Step 4: Simplify right side
    151,405x = 55,273,420,609
  5. Step 5: Solve for x
    x = 55,273,420,609/151,405
  6. Step 6: Final answer
    x = 365,069.98

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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.