Finding the Third Proportional to 3,578,971.50 and 5,420,553.75
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Solution
The third proportional to 3,578,971.50 and 5,420,553.75 is: 8,209,733.71
Step by Step Solution
- Step 1: Write the proportion equation
3,578,971.50 : 5,420,553.75 = 5,420,553.75 : x - Step 2: Convert to fraction form
3,578,971.50/5,420,553.75 = 5,420,553.75/x - Step 3: Cross multiply
3,578,971.50x = 5,420,553.75 × 5,420,553.75 - Step 4: Simplify right side
3,578,971.50x = 29,382,402,956,639.06 - Step 5: Solve for x
x = 29,382,402,956,639.06/3,578,971.50 - Step 6: Final answer
x = 8,209,733.71
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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.