Finding the Third Proportional to 261,813,105 and 390,449,234
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Solution
The third proportional to 261,813,105 and 390,449,234 is: 582,287,904.69
Step by Step Solution
- Step 1: Write the proportion equation
261,813,105 : 390,449,234 = 390,449,234 : x - Step 2: Convert to fraction form
261,813,105/390,449,234 = 390,449,234/x - Step 3: Cross multiply
261,813,105x = 390,449,234 × 390,449,234 - Step 4: Simplify right side
261,813,105x = 152,450,604,331,186,752 - Step 5: Solve for x
x = 152,450,604,331,186,752/261,813,105 - Step 6: Final answer
x = 582,287,904.69
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.