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Finding the Third Proportional to 10,058 and 20,386

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Solution

The third proportional to 10,058 and 20,386 is: 41,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058 : 20,386 = 20,386 : x
  2. Step 2: Convert to fraction form
    10,058/20,386 = 20,386/x
  3. Step 3: Cross multiply
    10,058x = 20,386 × 20,386
  4. Step 4: Simplify right side
    10,058x = 415,588,996
  5. Step 5: Solve for x
    x = 415,588,996/10,058
  6. Step 6: Final answer
    x = 41,319.25

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.