Finding the Third Proportional to 196,878,914 and 424,047,940
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Solution
The third proportional to 196,878,914 and 424,047,940 is: 913,336,282.51
Step by Step Solution
- Step 1: Write the proportion equation
196,878,914 : 424,047,940 = 424,047,940 : x - Step 2: Convert to fraction form
196,878,914/424,047,940 = 424,047,940/x - Step 3: Cross multiply
196,878,914x = 424,047,940 × 424,047,940 - Step 4: Simplify right side
196,878,914x = 179,816,655,418,243,584 - Step 5: Solve for x
x = 179,816,655,418,243,584/196,878,914 - Step 6: Final answer
x = 913,336,282.51
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.