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Finding the Third Proportional to 64,694,330.44 and 139,253,534.44

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Solution

The third proportional to 64,694,330.44 and 139,253,534.44 is: 299,741,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,694,330.44 : 139,253,534.44 = 139,253,534.44 : x
  2. Step 2: Convert to fraction form
    64,694,330.44/139,253,534.44 = 139,253,534.44/x
  3. Step 3: Cross multiply
    64,694,330.44x = 139,253,534.44 × 139,253,534.44
  4. Step 4: Simplify right side
    64,694,330.44x = 19,391,546,853,336,000
  5. Step 5: Solve for x
    x = 19,391,546,853,336,000/64,694,330.44
  6. Step 6: Final answer
    x = 299,741,054.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.