Finding the Third Proportional to 643,717.13 and 973,859.63
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Solution
The third proportional to 643,717.13 and 973,859.63 is: 1,473,321.95
Step by Step Solution
- Step 1: Write the proportion equation
643,717.13 : 973,859.63 = 973,859.63 : x - Step 2: Convert to fraction form
643,717.13/973,859.63 = 973,859.63/x - Step 3: Cross multiply
643,717.13x = 973,859.63 × 973,859.63 - Step 4: Simplify right side
643,717.13x = 948,402,569,205.14 - Step 5: Solve for x
x = 948,402,569,205.14/643,717.13 - Step 6: Final answer
x = 1,473,321.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.