Finding the Third Proportional to 811,534 and 1,266,430
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Solution
The third proportional to 811,534 and 1,266,430 is: 1,976,312.69
Step by Step Solution
- Step 1: Write the proportion equation
811,534 : 1,266,430 = 1,266,430 : x - Step 2: Convert to fraction form
811,534/1,266,430 = 1,266,430/x - Step 3: Cross multiply
811,534x = 1,266,430 × 1,266,430 - Step 4: Simplify right side
811,534x = 1,603,844,944,900 - Step 5: Solve for x
x = 1,603,844,944,900/811,534 - Step 6: Final answer
x = 1,976,312.69
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.