Finding the Third Proportional to 978,700 and 1,497,304.50
Calculator
Solution
The third proportional to 978,700 and 1,497,304.50 is: 2,290,712.95
Step by Step Solution
- Step 1: Write the proportion equation
978,700 : 1,497,304.50 = 1,497,304.50 : x - Step 2: Convert to fraction form
978,700/1,497,304.50 = 1,497,304.50/x - Step 3: Cross multiply
978,700x = 1,497,304.50 × 1,497,304.50 - Step 4: Simplify right side
978,700x = 2,241,920,765,720.25 - Step 5: Solve for x
x = 2,241,920,765,720.25/978,700 - Step 6: Final answer
x = 2,290,712.95
Related Problems
Find third proportional to 489,350 and 748,652.25
Half scale
Find third proportional to 1,957,400 and 2,994,609
Double scale
Find third proportional to 978,702 and 1,497,308
Similar ratio
Find third proportional to 1,468,050 and 2,245,956.75
1.5x scale
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.