Finding the Third Proportional to 397,690,560 and 864,219,456
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Solution
The third proportional to 397,690,560 and 864,219,456 is: 1,878,031,171.09
Step by Step Solution
- Step 1: Write the proportion equation
397,690,560 : 864,219,456 = 864,219,456 : x - Step 2: Convert to fraction form
397,690,560/864,219,456 = 864,219,456/x - Step 3: Cross multiply
397,690,560x = 864,219,456 × 864,219,456 - Step 4: Simplify right side
397,690,560x = 746,875,268,128,935,936 - Step 5: Solve for x
x = 746,875,268,128,935,936/397,690,560 - Step 6: Final answer
x = 1,878,031,171.09
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.