Finding the Third Proportional to 917,712 and 1,399,896
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Solution
The third proportional to 917,712 and 1,399,896 is: 2,135,428.99
Step by Step Solution
- Step 1: Write the proportion equation
917,712 : 1,399,896 = 1,399,896 : x - Step 2: Convert to fraction form
917,712/1,399,896 = 1,399,896/x - Step 3: Cross multiply
917,712x = 1,399,896 × 1,399,896 - Step 4: Simplify right side
917,712x = 1,959,708,810,816 - Step 5: Solve for x
x = 1,959,708,810,816/917,712 - Step 6: Final answer
x = 2,135,428.99
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.