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Finding the Third Proportional to 77,805.75 and 170,676.75

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Solution

The third proportional to 77,805.75 and 170,676.75 is: 374,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,805.75 : 170,676.75 = 170,676.75 : x
  2. Step 2: Convert to fraction form
    77,805.75/170,676.75 = 170,676.75/x
  3. Step 3: Cross multiply
    77,805.75x = 170,676.75 × 170,676.75
  4. Step 4: Simplify right side
    77,805.75x = 29,130,552,990.56
  5. Step 5: Solve for x
    x = 29,130,552,990.56/77,805.75
  6. Step 6: Final answer
    x = 374,401.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.