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Finding the Third Proportional to 111,130 and 166,707

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Solution

The third proportional to 111,130 and 166,707 is: 250,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130 : 166,707 = 166,707 : x
  2. Step 2: Convert to fraction form
    111,130/166,707 = 166,707/x
  3. Step 3: Cross multiply
    111,130x = 166,707 × 166,707
  4. Step 4: Simplify right side
    111,130x = 27,791,223,849
  5. Step 5: Solve for x
    x = 27,791,223,849/111,130
  6. Step 6: Final answer
    x = 250,078.50

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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.