Finding the Third Proportional to 158,366,917 and 331,213,394
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Solution
The third proportional to 158,366,917 and 331,213,394 is: 692,709,780.82
Step by Step Solution
- Step 1: Write the proportion equation
158,366,917 : 331,213,394 = 331,213,394 : x - Step 2: Convert to fraction form
158,366,917/331,213,394 = 331,213,394/x - Step 3: Cross multiply
158,366,917x = 331,213,394 × 331,213,394 - Step 4: Simplify right side
158,366,917x = 109,702,312,364,999,232 - Step 5: Solve for x
x = 109,702,312,364,999,232/158,366,917 - Step 6: Final answer
x = 692,709,780.82
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.