Finding the Third Proportional to 83,187,739.13 and 129,489,843.80
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Solution
The third proportional to 83,187,739.13 and 129,489,843.80 is: 201,563,593.66
Step by Step Solution
- Step 1: Write the proportion equation
83,187,739.13 : 129,489,843.80 = 129,489,843.80 : x - Step 2: Convert to fraction form
83,187,739.13/129,489,843.80 = 129,489,843.80/x - Step 3: Cross multiply
83,187,739.13x = 129,489,843.80 × 129,489,843.80 - Step 4: Simplify right side
83,187,739.13x = 16,767,619,646,537,790 - Step 5: Solve for x
x = 16,767,619,646,537,790/83,187,739.13 - Step 6: Final answer
x = 201,563,593.66
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.