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Finding the Third Proportional to 68,820 and 101,950.75

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Solution

The third proportional to 68,820 and 101,950.75 is: 151,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,820 : 101,950.75 = 101,950.75 : x
  2. Step 2: Convert to fraction form
    68,820/101,950.75 = 101,950.75/x
  3. Step 3: Cross multiply
    68,820x = 101,950.75 × 101,950.75
  4. Step 4: Simplify right side
    68,820x = 10,393,955,425.56
  5. Step 5: Solve for x
    x = 10,393,955,425.56/68,820
  6. Step 6: Final answer
    x = 151,031.03

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.