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Finding the Third Proportional to 70,528.50 and 146,889

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Solution

The third proportional to 70,528.50 and 146,889 is: 305,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.50 : 146,889 = 146,889 : x
  2. Step 2: Convert to fraction form
    70,528.50/146,889 = 146,889/x
  3. Step 3: Cross multiply
    70,528.50x = 146,889 × 146,889
  4. Step 4: Simplify right side
    70,528.50x = 21,576,378,321
  5. Step 5: Solve for x
    x = 21,576,378,321/70,528.50
  6. Step 6: Final answer
    x = 305,924.25

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.