Finding the Third Proportional to 642,654.50 and 1,395,937
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Solution
The third proportional to 642,654.50 and 1,395,937 is: 3,032,173.75
Step by Step Solution
- Step 1: Write the proportion equation
642,654.50 : 1,395,937 = 1,395,937 : x - Step 2: Convert to fraction form
642,654.50/1,395,937 = 1,395,937/x - Step 3: Cross multiply
642,654.50x = 1,395,937 × 1,395,937 - Step 4: Simplify right side
642,654.50x = 1,948,640,107,969 - Step 5: Solve for x
x = 1,948,640,107,969/642,654.50 - Step 6: Final answer
x = 3,032,173.75
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.