Finding the Third Proportional to 396,441,831 and 869,119,239
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Solution
The third proportional to 396,441,831 and 869,119,239 is: 1,905,369,697.48
Step by Step Solution
- Step 1: Write the proportion equation
396,441,831 : 869,119,239 = 869,119,239 : x - Step 2: Convert to fraction form
396,441,831/869,119,239 = 869,119,239/x - Step 3: Cross multiply
396,441,831x = 869,119,239 × 869,119,239 - Step 4: Simplify right side
396,441,831x = 755,368,251,599,939,072 - Step 5: Solve for x
x = 755,368,251,599,939,072/396,441,831 - Step 6: Final answer
x = 1,905,369,697.48
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.