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Finding the Third Proportional to 21,135 and 32,613

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Solution

The third proportional to 21,135 and 32,613 is: 50,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135 : 32,613 = 32,613 : x
  2. Step 2: Convert to fraction form
    21,135/32,613 = 32,613/x
  3. Step 3: Cross multiply
    21,135x = 32,613 × 32,613
  4. Step 4: Simplify right side
    21,135x = 1,063,607,769
  5. Step 5: Solve for x
    x = 1,063,607,769/21,135
  6. Step 6: Final answer
    x = 50,324.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.