Finding the Third Proportional to 356,850 and 553,203.75
Calculator
Solution
The third proportional to 356,850 and 553,203.75 is: 857,599.52
Step by Step Solution
- Step 1: Write the proportion equation
356,850 : 553,203.75 = 553,203.75 : x - Step 2: Convert to fraction form
356,850/553,203.75 = 553,203.75/x - Step 3: Cross multiply
356,850x = 553,203.75 × 553,203.75 - Step 4: Simplify right side
356,850x = 306,034,389,014.06 - Step 5: Solve for x
x = 306,034,389,014.06/356,850 - Step 6: Final answer
x = 857,599.52
Related Problems
Find third proportional to 178,425 and 276,601.88
Half scale
Find third proportional to 713,700 and 1,106,407.50
Double scale
Find third proportional to 356,852 and 553,207
Similar ratio
Find third proportional to 535,275 and 829,805.63
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.