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Finding the Third Proportional to 68,089.50 and 145,533

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Solution

The third proportional to 68,089.50 and 145,533 is: 311,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.50 : 145,533 = 145,533 : x
  2. Step 2: Convert to fraction form
    68,089.50/145,533 = 145,533/x
  3. Step 3: Cross multiply
    68,089.50x = 145,533 × 145,533
  4. Step 4: Simplify right side
    68,089.50x = 21,179,854,089
  5. Step 5: Solve for x
    x = 21,179,854,089/68,089.50
  6. Step 6: Final answer
    x = 311,059.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.