Finding the Third Proportional to 418,379,455.13 and 912,090,753
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Solution
The third proportional to 418,379,455.13 and 912,090,753 is: 1,988,409,161.87
Step by Step Solution
- Step 1: Write the proportion equation
418,379,455.13 : 912,090,753 = 912,090,753 : x - Step 2: Convert to fraction form
418,379,455.13/912,090,753 = 912,090,753/x - Step 3: Cross multiply
418,379,455.13x = 912,090,753 × 912,090,753 - Step 4: Simplify right side
418,379,455.13x = 831,909,541,708,107,008 - Step 5: Solve for x
x = 831,909,541,708,107,008/418,379,455.13 - Step 6: Final answer
x = 1,988,409,161.87
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.