Finding the Third Proportional to 646,555.50 and 1,374,921
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Solution
The third proportional to 646,555.50 and 1,374,921 is: 2,923,813.59
Step by Step Solution
- Step 1: Write the proportion equation
646,555.50 : 1,374,921 = 1,374,921 : x - Step 2: Convert to fraction form
646,555.50/1,374,921 = 1,374,921/x - Step 3: Cross multiply
646,555.50x = 1,374,921 × 1,374,921 - Step 4: Simplify right side
646,555.50x = 1,890,407,756,241 - Step 5: Solve for x
x = 1,890,407,756,241/646,555.50 - Step 6: Final answer
x = 2,923,813.59
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.