Finding the Third Proportional to 198,641,084 and 427,640,712
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Solution
The third proportional to 198,641,084 and 427,640,712 is: 920,638,242.99
Step by Step Solution
- Step 1: Write the proportion equation
198,641,084 : 427,640,712 = 427,640,712 : x - Step 2: Convert to fraction form
198,641,084/427,640,712 = 427,640,712/x - Step 3: Cross multiply
198,641,084x = 427,640,712 × 427,640,712 - Step 4: Simplify right side
198,641,084x = 182,876,578,559,866,944 - Step 5: Solve for x
x = 182,876,578,559,866,944/198,641,084 - Step 6: Final answer
x = 920,638,242.99
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.