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Finding the Third Proportional to 19,877 and 29,897

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Solution

The third proportional to 19,877 and 29,897 is: 44,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877 : 29,897 = 29,897 : x
  2. Step 2: Convert to fraction form
    19,877/29,897 = 29,897/x
  3. Step 3: Cross multiply
    19,877x = 29,897 × 29,897
  4. Step 4: Simplify right side
    19,877x = 893,830,609
  5. Step 5: Solve for x
    x = 893,830,609/19,877
  6. Step 6: Final answer
    x = 44,968.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.