Finding the Third Proportional to 412,186,369 and 888,940,988
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Solution
The third proportional to 412,186,369 and 888,940,988 is: 1,917,132,975.71
Step by Step Solution
- Step 1: Write the proportion equation
412,186,369 : 888,940,988 = 888,940,988 : x - Step 2: Convert to fraction form
412,186,369/888,940,988 = 888,940,988/x - Step 3: Cross multiply
412,186,369x = 888,940,988 × 888,940,988 - Step 4: Simplify right side
412,186,369x = 790,216,080,146,416,128 - Step 5: Solve for x
x = 790,216,080,146,416,128/412,186,369 - Step 6: Final answer
x = 1,917,132,975.71
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.