Finding the Third Proportional to 74,313,261 and 155,402,388
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Solution
The third proportional to 74,313,261 and 155,402,388 is: 324,974,329.90
Step by Step Solution
- Step 1: Write the proportion equation
74,313,261 : 155,402,388 = 155,402,388 : x - Step 2: Convert to fraction form
74,313,261/155,402,388 = 155,402,388/x - Step 3: Cross multiply
74,313,261x = 155,402,388 × 155,402,388 - Step 4: Simplify right side
74,313,261x = 24,149,902,196,102,544 - Step 5: Solve for x
x = 24,149,902,196,102,544/74,313,261 - Step 6: Final answer
x = 324,974,329.90
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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.