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Finding the Third Proportional to 164,416.50 and 261,822

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Solution

The third proportional to 164,416.50 and 261,822 is: 416,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,416.50 : 261,822 = 261,822 : x
  2. Step 2: Convert to fraction form
    164,416.50/261,822 = 261,822/x
  3. Step 3: Cross multiply
    164,416.50x = 261,822 × 261,822
  4. Step 4: Simplify right side
    164,416.50x = 68,550,759,684
  5. Step 5: Solve for x
    x = 68,550,759,684/164,416.50
  6. Step 6: Final answer
    x = 416,933.58

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.