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Finding the Third Proportional to 13,056 and 20,776

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Solution

The third proportional to 13,056 and 20,776 is: 33,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056 : 20,776 = 20,776 : x
  2. Step 2: Convert to fraction form
    13,056/20,776 = 20,776/x
  3. Step 3: Cross multiply
    13,056x = 20,776 × 20,776
  4. Step 4: Simplify right side
    13,056x = 431,642,176
  5. Step 5: Solve for x
    x = 431,642,176/13,056
  6. Step 6: Final answer
    x = 33,060.83

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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.