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Finding the Third Proportional to 86,918.75 and 180,498.75

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Solution

The third proportional to 86,918.75 and 180,498.75 is: 374,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,918.75 : 180,498.75 = 180,498.75 : x
  2. Step 2: Convert to fraction form
    86,918.75/180,498.75 = 180,498.75/x
  3. Step 3: Cross multiply
    86,918.75x = 180,498.75 × 180,498.75
  4. Step 4: Simplify right side
    86,918.75x = 32,579,798,751.56
  5. Step 5: Solve for x
    x = 32,579,798,751.56/86,918.75
  6. Step 6: Final answer
    x = 374,830.50

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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.