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Finding the Third Proportional to 35,647.50 and 77,366

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Solution

The third proportional to 35,647.50 and 77,366 is: 167,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.50 : 77,366 = 77,366 : x
  2. Step 2: Convert to fraction form
    35,647.50/77,366 = 77,366/x
  3. Step 3: Cross multiply
    35,647.50x = 77,366 × 77,366
  4. Step 4: Simplify right side
    35,647.50x = 5,985,497,956
  5. Step 5: Solve for x
    x = 5,985,497,956/35,647.50
  6. Step 6: Final answer
    x = 167,907.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.