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Finding the Third Proportional to 10,278 and 14,613

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Solution

The third proportional to 10,278 and 14,613 is: 20,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278 : 14,613 = 14,613 : x
  2. Step 2: Convert to fraction form
    10,278/14,613 = 14,613/x
  3. Step 3: Cross multiply
    10,278x = 14,613 × 14,613
  4. Step 4: Simplify right side
    10,278x = 213,539,769
  5. Step 5: Solve for x
    x = 213,539,769/10,278
  6. Step 6: Final answer
    x = 20,776.39

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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.