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Finding the Third Proportional to 13,536 and 19,774

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Solution

The third proportional to 13,536 and 19,774 is: 28,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536 : 19,774 = 19,774 : x
  2. Step 2: Convert to fraction form
    13,536/19,774 = 19,774/x
  3. Step 3: Cross multiply
    13,536x = 19,774 × 19,774
  4. Step 4: Simplify right side
    13,536x = 391,011,076
  5. Step 5: Solve for x
    x = 391,011,076/13,536
  6. Step 6: Final answer
    x = 28,886.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.