Finding the Third Proportional to 78,043,969 and 168,074,882
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Solution
The third proportional to 78,043,969 and 168,074,882 is: 361,964,752.96
Step by Step Solution
- Step 1: Write the proportion equation
78,043,969 : 168,074,882 = 168,074,882 : x - Step 2: Convert to fraction form
78,043,969/168,074,882 = 168,074,882/x - Step 3: Cross multiply
78,043,969x = 168,074,882 × 168,074,882 - Step 4: Simplify right side
78,043,969x = 28,249,165,959,313,924 - Step 5: Solve for x
x = 28,249,165,959,313,924/78,043,969 - Step 6: Final answer
x = 361,964,752.96
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.