Finding the Third Proportional to 291,211,302 and 393,573,396
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Solution
The third proportional to 291,211,302 and 393,573,396 is: 531,916,230.50
Step by Step Solution
- Step 1: Write the proportion equation
291,211,302 : 393,573,396 = 393,573,396 : x - Step 2: Convert to fraction form
291,211,302/393,573,396 = 393,573,396/x - Step 3: Cross multiply
291,211,302x = 393,573,396 × 393,573,396 - Step 4: Simplify right side
291,211,302x = 154,900,018,038,972,800 - Step 5: Solve for x
x = 154,900,018,038,972,800/291,211,302 - Step 6: Final answer
x = 531,916,230.50
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.