Finding the Third Proportional to 256,339,048 and 397,174,542
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Solution
The third proportional to 256,339,048 and 397,174,542 is: 615,386,606.31
Step by Step Solution
- Step 1: Write the proportion equation
256,339,048 : 397,174,542 = 397,174,542 : x - Step 2: Convert to fraction form
256,339,048/397,174,542 = 397,174,542/x - Step 3: Cross multiply
256,339,048x = 397,174,542 × 397,174,542 - Step 4: Simplify right side
256,339,048x = 157,747,616,812,909,760 - Step 5: Solve for x
x = 157,747,616,812,909,760/256,339,048 - Step 6: Final answer
x = 615,386,606.31
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.