Finding the Third Proportional to 306,466.03 and 420,681.09
Calculator
Solution
The third proportional to 306,466.03 and 420,681.09 is: 577,462.31
Step by Step Solution
- Step 1: Write the proportion equation
306,466.03 : 420,681.09 = 420,681.09 : x - Step 2: Convert to fraction form
306,466.03/420,681.09 = 420,681.09/x - Step 3: Cross multiply
306,466.03x = 420,681.09 × 420,681.09 - Step 4: Simplify right side
306,466.03x = 176,972,582,638.70 - Step 5: Solve for x
x = 176,972,582,638.70/306,466.03 - Step 6: Final answer
x = 577,462.31
Related Problems
Find third proportional to 153,233.02 and 210,340.55
Half scale
Find third proportional to 612,932.06 and 841,362.19
Double scale
Find third proportional to 306,468 and 420,684
Similar ratio
Find third proportional to 459,699.05 and 631,021.64
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.