Finding the Third Proportional to 154,346,816 and 321,395,720
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Solution
The third proportional to 154,346,816 and 321,395,720 is: 669,240,943.94
Step by Step Solution
- Step 1: Write the proportion equation
154,346,816 : 321,395,720 = 321,395,720 : x - Step 2: Convert to fraction form
154,346,816/321,395,720 = 321,395,720/x - Step 3: Cross multiply
154,346,816x = 321,395,720 × 321,395,720 - Step 4: Simplify right side
154,346,816x = 103,295,208,834,318,400 - Step 5: Solve for x
x = 103,295,208,834,318,400/154,346,816 - Step 6: Final answer
x = 669,240,943.94
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.