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Finding the Third Proportional to 70,130 and 105,177

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Solution

The third proportional to 70,130 and 105,177 is: 157,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130 : 105,177 = 105,177 : x
  2. Step 2: Convert to fraction form
    70,130/105,177 = 105,177/x
  3. Step 3: Cross multiply
    70,130x = 105,177 × 105,177
  4. Step 4: Simplify right side
    70,130x = 11,062,201,329
  5. Step 5: Solve for x
    x = 11,062,201,329/70,130
  6. Step 6: Final answer
    x = 157,738.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.