Finding the Third Proportional to 422,587.13 and 939,660.75
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Solution
The third proportional to 422,587.13 and 939,660.75 is: 2,089,420.79
Step by Step Solution
- Step 1: Write the proportion equation
422,587.13 : 939,660.75 = 939,660.75 : x - Step 2: Convert to fraction form
422,587.13/939,660.75 = 939,660.75/x - Step 3: Cross multiply
422,587.13x = 939,660.75 × 939,660.75 - Step 4: Simplify right side
422,587.13x = 882,962,325,090.56 - Step 5: Solve for x
x = 882,962,325,090.56/422,587.13 - Step 6: Final answer
x = 2,089,420.79
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.