Finding the Third Proportional to 971,728 and 2,130,656
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Solution
The third proportional to 971,728 and 2,130,656 is: 4,671,775.43
Step by Step Solution
- Step 1: Write the proportion equation
971,728 : 2,130,656 = 2,130,656 : x - Step 2: Convert to fraction form
971,728/2,130,656 = 2,130,656/x - Step 3: Cross multiply
971,728x = 2,130,656 × 2,130,656 - Step 4: Simplify right side
971,728x = 4,539,694,990,336 - Step 5: Solve for x
x = 4,539,694,990,336/971,728 - Step 6: Final answer
x = 4,671,775.43
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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.