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Finding the Third Proportional to 128,124,504 and 191,347,168.50

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Solution

The third proportional to 128,124,504 and 191,347,168.50 is: 285,766,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,124,504 : 191,347,168.50 = 191,347,168.50 : x
  2. Step 2: Convert to fraction form
    128,124,504/191,347,168.50 = 191,347,168.50/x
  3. Step 3: Cross multiply
    128,124,504x = 191,347,168.50 × 191,347,168.50
  4. Step 4: Simplify right side
    128,124,504x = 36,613,738,892,967,392
  5. Step 5: Solve for x
    x = 36,613,738,892,967,392/128,124,504
  6. Step 6: Final answer
    x = 285,766,873.24

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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.