Finding the Third Proportional to 128,760,784 and 279,470,624
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Solution
The third proportional to 128,760,784 and 279,470,624 is: 606,580,880.08
Step by Step Solution
- Step 1: Write the proportion equation
128,760,784 : 279,470,624 = 279,470,624 : x - Step 2: Convert to fraction form
128,760,784/279,470,624 = 279,470,624/x - Step 3: Cross multiply
128,760,784x = 279,470,624 × 279,470,624 - Step 4: Simplify right side
128,760,784x = 78,103,829,678,949,376 - Step 5: Solve for x
x = 78,103,829,678,949,376/128,760,784 - Step 6: Final answer
x = 606,580,880.08
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.