Finding the Third Proportional to 115,605,228 and 189,783,378
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Solution
The third proportional to 115,605,228 and 189,783,378 is: 311,557,973.53
Step by Step Solution
- Step 1: Write the proportion equation
115,605,228 : 189,783,378 = 189,783,378 : x - Step 2: Convert to fraction form
115,605,228/189,783,378 = 189,783,378/x - Step 3: Cross multiply
115,605,228x = 189,783,378 × 189,783,378 - Step 4: Simplify right side
115,605,228x = 36,017,730,565,090,884 - Step 5: Solve for x
x = 36,017,730,565,090,884/115,605,228 - Step 6: Final answer
x = 311,557,973.53
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Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.