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Finding the Third Proportional to 10,512 and 14,877

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Solution

The third proportional to 10,512 and 14,877 is: 21,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512 : 14,877 = 14,877 : x
  2. Step 2: Convert to fraction form
    10,512/14,877 = 14,877/x
  3. Step 3: Cross multiply
    10,512x = 14,877 × 14,877
  4. Step 4: Simplify right side
    10,512x = 221,325,129
  5. Step 5: Solve for x
    x = 221,325,129/10,512
  6. Step 6: Final answer
    x = 21,054.52

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.