Finding the Third Proportional to 782,547.75 and 1,649,160
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Solution
The third proportional to 782,547.75 and 1,649,160 is: 3,475,479.55
Step by Step Solution
- Step 1: Write the proportion equation
782,547.75 : 1,649,160 = 1,649,160 : x - Step 2: Convert to fraction form
782,547.75/1,649,160 = 1,649,160/x - Step 3: Cross multiply
782,547.75x = 1,649,160 × 1,649,160 - Step 4: Simplify right side
782,547.75x = 2,719,728,705,600 - Step 5: Solve for x
x = 2,719,728,705,600/782,547.75 - Step 6: Final answer
x = 3,475,479.55
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.