Finding the Third Proportional to 90,776,471,898 and 198,653,241,256.50
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Solution
The third proportional to 90,776,471,898 and 198,653,241,256.50 is: 434,728,398,632.36
Step by Step Solution
- Step 1: Write the proportion equation
90,776,471,898 : 198,653,241,256.50 = 198,653,241,256.50 : x - Step 2: Convert to fraction form
90,776,471,898/198,653,241,256.50 = 198,653,241,256.50/x - Step 3: Cross multiply
90,776,471,898x = 198,653,241,256.50 × 198,653,241,256.50 - Step 4: Simplify right side
90,776,471,898x = 39,463,110,261,713,194,188,800 - Step 5: Solve for x
x = 39,463,110,261,713,194,188,800/90,776,471,898 - Step 6: Final answer
x = 434,728,398,632.36
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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.