Finding the Third Proportional to 18,358,130.25 and 39,959,023.50
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Solution
The third proportional to 18,358,130.25 and 39,959,023.50 is: 86,976,371.63
Step by Step Solution
- Step 1: Write the proportion equation
18,358,130.25 : 39,959,023.50 = 39,959,023.50 : x - Step 2: Convert to fraction form
18,358,130.25/39,959,023.50 = 39,959,023.50/x - Step 3: Cross multiply
18,358,130.25x = 39,959,023.50 × 39,959,023.50 - Step 4: Simplify right side
18,358,130.25x = 1,596,723,559,073,552.25 - Step 5: Solve for x
x = 1,596,723,559,073,552.25/18,358,130.25 - Step 6: Final answer
x = 86,976,371.63
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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.