Finding the Third Proportional to 74,347,972 and 157,556,936
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Solution
The third proportional to 74,347,972 and 157,556,936 is: 333,891,932.95
Step by Step Solution
- Step 1: Write the proportion equation
74,347,972 : 157,556,936 = 157,556,936 : x - Step 2: Convert to fraction form
74,347,972/157,556,936 = 157,556,936/x - Step 3: Cross multiply
74,347,972x = 157,556,936 × 157,556,936 - Step 4: Simplify right side
74,347,972x = 24,824,188,081,708,096 - Step 5: Solve for x
x = 24,824,188,081,708,096/74,347,972 - Step 6: Final answer
x = 333,891,932.95
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.