Finding the Third Proportional to 831,572 and 1,787,370
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Solution
The third proportional to 831,572 and 1,787,370 is: 3,841,749.74
Step by Step Solution
- Step 1: Write the proportion equation
831,572 : 1,787,370 = 1,787,370 : x - Step 2: Convert to fraction form
831,572/1,787,370 = 1,787,370/x - Step 3: Cross multiply
831,572x = 1,787,370 × 1,787,370 - Step 4: Simplify right side
831,572x = 3,194,691,516,900 - Step 5: Solve for x
x = 3,194,691,516,900/831,572 - Step 6: Final answer
x = 3,841,749.74
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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.