Finding the Third Proportional to 256,339,046 and 397,174,539
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Solution
The third proportional to 256,339,046 and 397,174,539 is: 615,386,601.81
Step by Step Solution
- Step 1: Write the proportion equation
256,339,046 : 397,174,539 = 397,174,539 : x - Step 2: Convert to fraction form
256,339,046/397,174,539 = 397,174,539/x - Step 3: Cross multiply
256,339,046x = 397,174,539 × 397,174,539 - Step 4: Simplify right side
256,339,046x = 157,747,614,429,862,528 - Step 5: Solve for x
x = 157,747,614,429,862,528/256,339,046 - Step 6: Final answer
x = 615,386,601.81
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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.