Finding the Third Proportional to 128,199,249 and 260,929,138
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Solution
The third proportional to 128,199,249 and 260,929,138 is: 531,079,671.59
Step by Step Solution
- Step 1: Write the proportion equation
128,199,249 : 260,929,138 = 260,929,138 : x - Step 2: Convert to fraction form
128,199,249/260,929,138 = 260,929,138/x - Step 3: Cross multiply
128,199,249x = 260,929,138 × 260,929,138 - Step 4: Simplify right side
128,199,249x = 68,084,015,057,423,040 - Step 5: Solve for x
x = 68,084,015,057,423,040/128,199,249 - Step 6: Final answer
x = 531,079,671.59
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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.