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Finding the Third Proportional to 167,069.50 and 360,221

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Solution

The third proportional to 167,069.50 and 360,221 is: 776,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,069.50 : 360,221 = 360,221 : x
  2. Step 2: Convert to fraction form
    167,069.50/360,221 = 360,221/x
  3. Step 3: Cross multiply
    167,069.50x = 360,221 × 360,221
  4. Step 4: Simplify right side
    167,069.50x = 129,759,168,841
  5. Step 5: Solve for x
    x = 129,759,168,841/167,069.50
  6. Step 6: Final answer
    x = 776,677.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.