Finding the Third Proportional to 279,343.69 and 432,453.62
Calculator
Solution
The third proportional to 279,343.69 and 432,453.62 is: 669,484.02
Step by Step Solution
- Step 1: Write the proportion equation
279,343.69 : 432,453.62 = 432,453.62 : x - Step 2: Convert to fraction form
279,343.69/432,453.62 = 432,453.62/x - Step 3: Cross multiply
279,343.69x = 432,453.62 × 432,453.62 - Step 4: Simplify right side
279,343.69x = 187,016,134,397.10 - Step 5: Solve for x
x = 187,016,134,397.10/279,343.69 - Step 6: Final answer
x = 669,484.02
Related Problems
Find third proportional to 139,671.84 and 216,226.81
Half scale
Find third proportional to 558,687.38 and 864,907.24
Double scale
Find third proportional to 279,346 and 432,457
Similar ratio
Find third proportional to 419,015.53 and 648,680.43
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.