Finding the Third Proportional to 645,037.50 and 1,375,623
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Solution
The third proportional to 645,037.50 and 1,375,623 is: 2,933,687.79
Step by Step Solution
- Step 1: Write the proportion equation
645,037.50 : 1,375,623 = 1,375,623 : x - Step 2: Convert to fraction form
645,037.50/1,375,623 = 1,375,623/x - Step 3: Cross multiply
645,037.50x = 1,375,623 × 1,375,623 - Step 4: Simplify right side
645,037.50x = 1,892,338,638,129 - Step 5: Solve for x
x = 1,892,338,638,129/645,037.50 - Step 6: Final answer
x = 2,933,687.79
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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.