Finding the Third Proportional to 394,403,406 and 615,481,554
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Solution
The third proportional to 394,403,406 and 615,481,554 is: 960,482,433.85
Step by Step Solution
- Step 1: Write the proportion equation
394,403,406 : 615,481,554 = 615,481,554 : x - Step 2: Convert to fraction form
394,403,406/615,481,554 = 615,481,554/x - Step 3: Cross multiply
394,403,406x = 615,481,554 × 615,481,554 - Step 4: Simplify right side
394,403,406x = 378,817,543,314,254,912 - Step 5: Solve for x
x = 378,817,543,314,254,912/394,403,406 - Step 6: Final answer
x = 960,482,433.85
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.