Finding the Third Proportional to 156,115.13 and 368,408.81
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Solution
The third proportional to 156,115.13 and 368,408.81 is: 869,390.80
Step by Step Solution
- Step 1: Write the proportion equation
156,115.13 : 368,408.81 = 368,408.81 : x - Step 2: Convert to fraction form
156,115.13/368,408.81 = 368,408.81/x - Step 3: Cross multiply
156,115.13x = 368,408.81 × 368,408.81 - Step 4: Simplify right side
156,115.13x = 135,725,053,127.66 - Step 5: Solve for x
x = 135,725,053,127.66/156,115.13 - Step 6: Final answer
x = 869,390.80
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.