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Finding the Third Proportional to 9,365 and 20,613

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Solution

The third proportional to 9,365 and 20,613 is: 45,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365 : 20,613 = 20,613 : x
  2. Step 2: Convert to fraction form
    9,365/20,613 = 20,613/x
  3. Step 3: Cross multiply
    9,365x = 20,613 × 20,613
  4. Step 4: Simplify right side
    9,365x = 424,895,769
  5. Step 5: Solve for x
    x = 424,895,769/9,365
  6. Step 6: Final answer
    x = 45,370.61

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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.