Finding the Third Proportional to 859,447.13 and 1,821,345.19
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Solution
The third proportional to 859,447.13 and 1,821,345.19 is: 3,859,804.98
Step by Step Solution
- Step 1: Write the proportion equation
859,447.13 : 1,821,345.19 = 1,821,345.19 : x - Step 2: Convert to fraction form
859,447.13/1,821,345.19 = 1,821,345.19/x - Step 3: Cross multiply
859,447.13x = 1,821,345.19 × 1,821,345.19 - Step 4: Simplify right side
859,447.13x = 3,317,298,292,029.41 - Step 5: Solve for x
x = 3,317,298,292,029.41/859,447.13 - Step 6: Final answer
x = 3,859,804.98
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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.