Finding the Third Proportional to 129,435,582 and 278,081,772.75
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Solution
The third proportional to 129,435,582 and 278,081,772.75 is: 597,435,968.85
Step by Step Solution
- Step 1: Write the proportion equation
129,435,582 : 278,081,772.75 = 278,081,772.75 : x - Step 2: Convert to fraction form
129,435,582/278,081,772.75 = 278,081,772.75/x - Step 3: Cross multiply
129,435,582x = 278,081,772.75 × 278,081,772.75 - Step 4: Simplify right side
129,435,582x = 77,329,472,335,782,640 - Step 5: Solve for x
x = 77,329,472,335,782,640/129,435,582 - Step 6: Final answer
x = 597,435,968.85
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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.