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Finding the Third Proportional to 20,129.06 and 43,720.88

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Solution

The third proportional to 20,129.06 and 43,720.88 is: 94,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129.06 : 43,720.88 = 43,720.88 : x
  2. Step 2: Convert to fraction form
    20,129.06/43,720.88 = 43,720.88/x
  3. Step 3: Cross multiply
    20,129.06x = 43,720.88 × 43,720.88
  4. Step 4: Simplify right side
    20,129.06x = 1,911,514,910.77
  5. Step 5: Solve for x
    x = 1,911,514,910.77/20,129.06
  6. Step 6: Final answer
    x = 94,962.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.