Finding the Third Proportional to 272,427,310 and 422,995,460
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Solution
The third proportional to 272,427,310 and 422,995,460 is: 656,781,286.65
Step by Step Solution
- Step 1: Write the proportion equation
272,427,310 : 422,995,460 = 422,995,460 : x - Step 2: Convert to fraction form
272,427,310/422,995,460 = 422,995,460/x - Step 3: Cross multiply
272,427,310x = 422,995,460 × 422,995,460 - Step 4: Simplify right side
272,427,310x = 178,925,159,180,611,584 - Step 5: Solve for x
x = 178,925,159,180,611,584/272,427,310 - Step 6: Final answer
x = 656,781,286.65
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.