Finding the Third Proportional to 678,582.75 and 1,461,421.75
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Solution
The third proportional to 678,582.75 and 1,461,421.75 is: 3,147,373.75
Step by Step Solution
- Step 1: Write the proportion equation
678,582.75 : 1,461,421.75 = 1,461,421.75 : x - Step 2: Convert to fraction form
678,582.75/1,461,421.75 = 1,461,421.75/x - Step 3: Cross multiply
678,582.75x = 1,461,421.75 × 1,461,421.75 - Step 4: Simplify right side
678,582.75x = 2,135,753,531,373.06 - Step 5: Solve for x
x = 2,135,753,531,373.06/678,582.75 - Step 6: Final answer
x = 3,147,373.75
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.