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Finding the Third Proportional to 10,121 and 14,929

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Solution

The third proportional to 10,121 and 14,929 is: 22,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121 : 14,929 = 14,929 : x
  2. Step 2: Convert to fraction form
    10,121/14,929 = 14,929/x
  3. Step 3: Cross multiply
    10,121x = 14,929 × 14,929
  4. Step 4: Simplify right side
    10,121x = 222,875,041
  5. Step 5: Solve for x
    x = 222,875,041/10,121
  6. Step 6: Final answer
    x = 22,021.05

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.