Finding the Third Proportional to 378,611,505 and 581,593,626
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Solution
The third proportional to 378,611,505 and 581,593,626 is: 893,399,015.45
Step by Step Solution
- Step 1: Write the proportion equation
378,611,505 : 581,593,626 = 581,593,626 : x - Step 2: Convert to fraction form
378,611,505/581,593,626 = 581,593,626/x - Step 3: Cross multiply
378,611,505x = 581,593,626 × 581,593,626 - Step 4: Simplify right side
378,611,505x = 338,251,145,803,827,904 - Step 5: Solve for x
x = 338,251,145,803,827,904/378,611,505 - Step 6: Final answer
x = 893,399,015.45
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.