Finding the Third Proportional to 392,455.13 and 847,644.75
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Solution
The third proportional to 392,455.13 and 847,644.75 is: 1,830,786.70
Step by Step Solution
- Step 1: Write the proportion equation
392,455.13 : 847,644.75 = 847,644.75 : x - Step 2: Convert to fraction form
392,455.13/847,644.75 = 847,644.75/x - Step 3: Cross multiply
392,455.13x = 847,644.75 × 847,644.75 - Step 4: Simplify right side
392,455.13x = 718,501,622,202.56 - Step 5: Solve for x
x = 718,501,622,202.56/392,455.13 - Step 6: Final answer
x = 1,830,786.70
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.