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Finding the Third Proportional to 42,790.50 and 94,329

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Solution

The third proportional to 42,790.50 and 94,329 is: 207,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.50 : 94,329 = 94,329 : x
  2. Step 2: Convert to fraction form
    42,790.50/94,329 = 94,329/x
  3. Step 3: Cross multiply
    42,790.50x = 94,329 × 94,329
  4. Step 4: Simplify right side
    42,790.50x = 8,897,960,241
  5. Step 5: Solve for x
    x = 8,897,960,241/42,790.50
  6. Step 6: Final answer
    x = 207,942.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.