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Finding the Third Proportional to 141,897 and 211,615

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Solution

The third proportional to 141,897 and 211,615 is: 315,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,897 : 211,615 = 211,615 : x
  2. Step 2: Convert to fraction form
    141,897/211,615 = 211,615/x
  3. Step 3: Cross multiply
    141,897x = 211,615 × 211,615
  4. Step 4: Simplify right side
    141,897x = 44,780,908,225
  5. Step 5: Solve for x
    x = 44,780,908,225/141,897
  6. Step 6: Final answer
    x = 315,587.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.