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Finding the Third Proportional to 145,609.50 and 218,198.25

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Solution

The third proportional to 145,609.50 and 218,198.25 is: 326,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,609.50 : 218,198.25 = 218,198.25 : x
  2. Step 2: Convert to fraction form
    145,609.50/218,198.25 = 218,198.25/x
  3. Step 3: Cross multiply
    145,609.50x = 218,198.25 × 218,198.25
  4. Step 4: Simplify right side
    145,609.50x = 47,610,476,303.06
  5. Step 5: Solve for x
    x = 47,610,476,303.06/145,609.50
  6. Step 6: Final answer
    x = 326,973.70

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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.