Finding the Third Proportional to 715,428 and 1,516,149
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Solution
The third proportional to 715,428 and 1,516,149 is: 3,213,052.59
Step by Step Solution
- Step 1: Write the proportion equation
715,428 : 1,516,149 = 1,516,149 : x - Step 2: Convert to fraction form
715,428/1,516,149 = 1,516,149/x - Step 3: Cross multiply
715,428x = 1,516,149 × 1,516,149 - Step 4: Simplify right side
715,428x = 2,298,707,790,201 - Step 5: Solve for x
x = 2,298,707,790,201/715,428 - Step 6: Final answer
x = 3,213,052.59
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.