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Finding the Third Proportional to 34,840.50 and 75,271

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Solution

The third proportional to 34,840.50 and 75,271 is: 162,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,840.50 : 75,271 = 75,271 : x
  2. Step 2: Convert to fraction form
    34,840.50/75,271 = 75,271/x
  3. Step 3: Cross multiply
    34,840.50x = 75,271 × 75,271
  4. Step 4: Simplify right side
    34,840.50x = 5,665,723,441
  5. Step 5: Solve for x
    x = 5,665,723,441/34,840.50
  6. Step 6: Final answer
    x = 162,618.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.