Finding the Third Proportional to 319,856 and 478,024
Calculator
Solution
The third proportional to 319,856 and 478,024 is: 714,405.68
Step by Step Solution
- Step 1: Write the proportion equation
319,856 : 478,024 = 478,024 : x - Step 2: Convert to fraction form
319,856/478,024 = 478,024/x - Step 3: Cross multiply
319,856x = 478,024 × 478,024 - Step 4: Simplify right side
319,856x = 228,506,944,576 - Step 5: Solve for x
x = 228,506,944,576/319,856 - Step 6: Final answer
x = 714,405.68
Related Problems
Find third proportional to 159,928 and 239,012
Half scale
Find third proportional to 639,712 and 956,048
Double scale
Find third proportional to 319,858 and 478,027
Similar ratio
Find third proportional to 479,784 and 717,036
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.