Finding the Third Proportional to 391,147,752.09 and 828,929,451.94
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Solution
The third proportional to 391,147,752.09 and 828,929,451.94 is: 1,756,686,655.14
Step by Step Solution
- Step 1: Write the proportion equation
391,147,752.09 : 828,929,451.94 = 828,929,451.94 : x - Step 2: Convert to fraction form
391,147,752.09/828,929,451.94 = 828,929,451.94/x - Step 3: Cross multiply
391,147,752.09x = 828,929,451.94 × 828,929,451.94 - Step 4: Simplify right side
391,147,752.09x = 687,124,036,289,404,160 - Step 5: Solve for x
x = 687,124,036,289,404,160/391,147,752.09 - Step 6: Final answer
x = 1,756,686,655.14
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.