Finding the Third Proportional to 308,442,276 and 411,210,486
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Solution
The third proportional to 308,442,276 and 411,210,486 is: 548,219,478.83
Step by Step Solution
- Step 1: Write the proportion equation
308,442,276 : 411,210,486 = 411,210,486 : x - Step 2: Convert to fraction form
308,442,276/411,210,486 = 411,210,486/x - Step 3: Cross multiply
308,442,276x = 411,210,486 × 411,210,486 - Step 4: Simplify right side
308,442,276x = 169,094,063,796,356,192 - Step 5: Solve for x
x = 169,094,063,796,356,192/308,442,276 - Step 6: Final answer
x = 548,219,478.83
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.