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Finding the Third Proportional to 42,208.50 and 92,259

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Solution

The third proportional to 42,208.50 and 92,259 is: 201,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,208.50 : 92,259 = 92,259 : x
  2. Step 2: Convert to fraction form
    42,208.50/92,259 = 92,259/x
  3. Step 3: Cross multiply
    42,208.50x = 92,259 × 92,259
  4. Step 4: Simplify right side
    42,208.50x = 8,511,723,081
  5. Step 5: Solve for x
    x = 8,511,723,081/42,208.50
  6. Step 6: Final answer
    x = 201,658.98

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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.