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Finding the Third Proportional to 13,888 and 21,346

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Solution

The third proportional to 13,888 and 21,346 is: 32,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888 : 21,346 = 21,346 : x
  2. Step 2: Convert to fraction form
    13,888/21,346 = 21,346/x
  3. Step 3: Cross multiply
    13,888x = 21,346 × 21,346
  4. Step 4: Simplify right side
    13,888x = 455,651,716
  5. Step 5: Solve for x
    x = 455,651,716/13,888
  6. Step 6: Final answer
    x = 32,809.02

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.