Finding the Third Proportional to 984,988 and 2,156,812
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Solution
The third proportional to 984,988 and 2,156,812 is: 4,722,735.71
Step by Step Solution
- Step 1: Write the proportion equation
984,988 : 2,156,812 = 2,156,812 : x - Step 2: Convert to fraction form
984,988/2,156,812 = 2,156,812/x - Step 3: Cross multiply
984,988x = 2,156,812 × 2,156,812 - Step 4: Simplify right side
984,988x = 4,651,838,003,344 - Step 5: Solve for x
x = 4,651,838,003,344/984,988 - Step 6: Final answer
x = 4,722,735.71
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.