Finding the Third Proportional to 402,864,225.75 and 640,616,316.75
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Solution
The third proportional to 402,864,225.75 and 640,616,316.75 is: 1,018,678,847.75
Step by Step Solution
- Step 1: Write the proportion equation
402,864,225.75 : 640,616,316.75 = 640,616,316.75 : x - Step 2: Convert to fraction form
402,864,225.75/640,616,316.75 = 640,616,316.75/x - Step 3: Cross multiply
402,864,225.75x = 640,616,316.75 × 640,616,316.75 - Step 4: Simplify right side
402,864,225.75x = 410,389,265,286,336,320 - Step 5: Solve for x
x = 410,389,265,286,336,320/402,864,225.75 - Step 6: Final answer
x = 1,018,678,847.75
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.