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Finding the Third Proportional to 168,760,312.50 and 253,589,789.25

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Solution

The third proportional to 168,760,312.50 and 253,589,789.25 is: 381,059,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,760,312.50 : 253,589,789.25 = 253,589,789.25 : x
  2. Step 2: Convert to fraction form
    168,760,312.50/253,589,789.25 = 253,589,789.25/x
  3. Step 3: Cross multiply
    168,760,312.50x = 253,589,789.25 × 253,589,789.25
  4. Step 4: Simplify right side
    168,760,312.50x = 64,307,781,211,859,416
  5. Step 5: Solve for x
    x = 64,307,781,211,859,416/168,760,312.50
  6. Step 6: Final answer
    x = 381,059,860.93

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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.