Finding the Third Proportional to 393,182,669 and 610,491,046
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Solution
The third proportional to 393,182,669 and 610,491,046 is: 947,903,726.77
Step by Step Solution
- Step 1: Write the proportion equation
393,182,669 : 610,491,046 = 610,491,046 : x - Step 2: Convert to fraction form
393,182,669/610,491,046 = 610,491,046/x - Step 3: Cross multiply
393,182,669x = 610,491,046 × 610,491,046 - Step 4: Simplify right side
393,182,669x = 372,699,317,246,174,144 - Step 5: Solve for x
x = 372,699,317,246,174,144/393,182,669 - Step 6: Final answer
x = 947,903,726.77
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.