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Finding the Third Proportional to 14,909 and 20,897

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Solution

The third proportional to 14,909 and 20,897 is: 29,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909 : 20,897 = 20,897 : x
  2. Step 2: Convert to fraction form
    14,909/20,897 = 20,897/x
  3. Step 3: Cross multiply
    14,909x = 20,897 × 20,897
  4. Step 4: Simplify right side
    14,909x = 436,684,609
  5. Step 5: Solve for x
    x = 436,684,609/14,909
  6. Step 6: Final answer
    x = 29,290.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.