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Finding the Third Proportional to 42,121 and 93,583

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Solution

The third proportional to 42,121 and 93,583 is: 207,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121 : 93,583 = 93,583 : x
  2. Step 2: Convert to fraction form
    42,121/93,583 = 93,583/x
  3. Step 3: Cross multiply
    42,121x = 93,583 × 93,583
  4. Step 4: Simplify right side
    42,121x = 8,757,777,889
  5. Step 5: Solve for x
    x = 8,757,777,889/42,121
  6. Step 6: Final answer
    x = 207,919.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.