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Finding the Third Proportional to 12,830 and 20,341

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Solution

The third proportional to 12,830 and 20,341 is: 32,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830 : 20,341 = 20,341 : x
  2. Step 2: Convert to fraction form
    12,830/20,341 = 20,341/x
  3. Step 3: Cross multiply
    12,830x = 20,341 × 20,341
  4. Step 4: Simplify right side
    12,830x = 413,756,281
  5. Step 5: Solve for x
    x = 413,756,281/12,830
  6. Step 6: Final answer
    x = 32,249.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.