Finding the Third Proportional to 421,263 and 913,461.75
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Solution
The third proportional to 421,263 and 913,461.75 is: 1,980,739.75
Step by Step Solution
- Step 1: Write the proportion equation
421,263 : 913,461.75 = 913,461.75 : x - Step 2: Convert to fraction form
421,263/913,461.75 = 913,461.75/x - Step 3: Cross multiply
421,263x = 913,461.75 × 913,461.75 - Step 4: Simplify right side
421,263x = 834,412,368,713.06 - Step 5: Solve for x
x = 834,412,368,713.06/421,263 - Step 6: Final answer
x = 1,980,739.75
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.