Finding the Third Proportional to 670,740.75 and 996,988.50
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Solution
The third proportional to 670,740.75 and 996,988.50 is: 1,481,922.89
Step by Step Solution
- Step 1: Write the proportion equation
670,740.75 : 996,988.50 = 996,988.50 : x - Step 2: Convert to fraction form
670,740.75/996,988.50 = 996,988.50/x - Step 3: Cross multiply
670,740.75x = 996,988.50 × 996,988.50 - Step 4: Simplify right side
670,740.75x = 993,986,069,132.25 - Step 5: Solve for x
x = 993,986,069,132.25/670,740.75 - Step 6: Final answer
x = 1,481,922.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.