Finding the Third Proportional to 642,777.75 and 1,227,235.50
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Solution
The third proportional to 642,777.75 and 1,227,235.50 is: 2,343,122.44
Step by Step Solution
- Step 1: Write the proportion equation
642,777.75 : 1,227,235.50 = 1,227,235.50 : x - Step 2: Convert to fraction form
642,777.75/1,227,235.50 = 1,227,235.50/x - Step 3: Cross multiply
642,777.75x = 1,227,235.50 × 1,227,235.50 - Step 4: Simplify right side
642,777.75x = 1,506,106,972,460.25 - Step 5: Solve for x
x = 1,506,106,972,460.25/642,777.75 - Step 6: Final answer
x = 2,343,122.44
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Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.