Finding the Third Proportional to 438,993,391.75 and 646,364,513.75
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Solution
The third proportional to 438,993,391.75 and 646,364,513.75 is: 951,693,334.08
Step by Step Solution
- Step 1: Write the proportion equation
438,993,391.75 : 646,364,513.75 = 646,364,513.75 : x - Step 2: Convert to fraction form
438,993,391.75/646,364,513.75 = 646,364,513.75/x - Step 3: Cross multiply
438,993,391.75x = 646,364,513.75 × 646,364,513.75 - Step 4: Simplify right side
438,993,391.75x = 417,787,084,635,273,920 - Step 5: Solve for x
x = 417,787,084,635,273,920/438,993,391.75 - Step 6: Final answer
x = 951,693,334.08
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.