Finding the Third Proportional to 620,911.13 and 910,917
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Solution
The third proportional to 620,911.13 and 910,917 is: 1,336,374.48
Step by Step Solution
- Step 1: Write the proportion equation
620,911.13 : 910,917 = 910,917 : x - Step 2: Convert to fraction form
620,911.13/910,917 = 910,917/x - Step 3: Cross multiply
620,911.13x = 910,917 × 910,917 - Step 4: Simplify right side
620,911.13x = 829,769,780,889 - Step 5: Solve for x
x = 829,769,780,889/620,911.13 - Step 6: Final answer
x = 1,336,374.48
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.