Finding the Third Proportional to 77,549,985 and 163,122,498
Calculator
Solution
The third proportional to 77,549,985 and 163,122,498 is: 343,119,980.66
Step by Step Solution
- Step 1: Write the proportion equation
77,549,985 : 163,122,498 = 163,122,498 : x - Step 2: Convert to fraction form
77,549,985/163,122,498 = 163,122,498/x - Step 3: Cross multiply
77,549,985x = 163,122,498 × 163,122,498 - Step 4: Simplify right side
77,549,985x = 26,608,949,353,760,004 - Step 5: Solve for x
x = 26,608,949,353,760,004/77,549,985 - Step 6: Final answer
x = 343,119,980.66
Related Problems
Find third proportional to 38,774,992.50 and 81,561,249
Half scale
Find third proportional to 155,099,970 and 326,244,996
Double scale
Find third proportional to 77,549,987 and 163,122,502
Similar ratio
Find third proportional to 116,324,977.50 and 244,683,747
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.