Finding the Third Proportional to 687,828.75 and 917,350.75
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Solution
The third proportional to 687,828.75 and 917,350.75 is: 1,223,462.09
Step by Step Solution
- Step 1: Write the proportion equation
687,828.75 : 917,350.75 = 917,350.75 : x - Step 2: Convert to fraction form
687,828.75/917,350.75 = 917,350.75/x - Step 3: Cross multiply
687,828.75x = 917,350.75 × 917,350.75 - Step 4: Simplify right side
687,828.75x = 841,532,398,525.56 - Step 5: Solve for x
x = 841,532,398,525.56/687,828.75 - Step 6: Final answer
x = 1,223,462.09
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.