Finding the Third Proportional to 122,655,780 and 270,199,620
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Solution
The third proportional to 122,655,780 and 270,199,620 is: 595,225,391.32
Step by Step Solution
- Step 1: Write the proportion equation
122,655,780 : 270,199,620 = 270,199,620 : x - Step 2: Convert to fraction form
122,655,780/270,199,620 = 270,199,620/x - Step 3: Cross multiply
122,655,780x = 270,199,620 × 270,199,620 - Step 4: Simplify right side
122,655,780x = 73,007,834,648,144,400 - Step 5: Solve for x
x = 73,007,834,648,144,400/122,655,780 - Step 6: Final answer
x = 595,225,391.32
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.