Finding the Third Proportional to 1,121,315.91 and 2,389,434.19
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Solution
The third proportional to 1,121,315.91 and 2,389,434.19 is: 5,091,692.45
Step by Step Solution
- Step 1: Write the proportion equation
1,121,315.91 : 2,389,434.19 = 2,389,434.19 : x - Step 2: Convert to fraction form
1,121,315.91/2,389,434.19 = 2,389,434.19/x - Step 3: Cross multiply
1,121,315.91x = 2,389,434.19 × 2,389,434.19 - Step 4: Simplify right side
1,121,315.91x = 5,709,395,736,393.79 - Step 5: Solve for x
x = 5,709,395,736,393.79/1,121,315.91 - Step 6: Final answer
x = 5,091,692.45
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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.