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Finding the Third Proportional to 12,762 and 20,295

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Solution

The third proportional to 12,762 and 20,295 is: 32,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762 : 20,295 = 20,295 : x
  2. Step 2: Convert to fraction form
    12,762/20,295 = 20,295/x
  3. Step 3: Cross multiply
    12,762x = 20,295 × 20,295
  4. Step 4: Simplify right side
    12,762x = 411,887,025
  5. Step 5: Solve for x
    x = 411,887,025/12,762
  6. Step 6: Final answer
    x = 32,274.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.