Finding the Third Proportional to 305,681,030 and 645,864,460
Calculator
Solution
The third proportional to 305,681,030 and 645,864,460 is: 1,364,628,026.45
Step by Step Solution
- Step 1: Write the proportion equation
305,681,030 : 645,864,460 = 645,864,460 : x - Step 2: Convert to fraction form
305,681,030/645,864,460 = 645,864,460/x - Step 3: Cross multiply
305,681,030x = 645,864,460 × 645,864,460 - Step 4: Simplify right side
305,681,030x = 417,140,900,691,091,584 - Step 5: Solve for x
x = 417,140,900,691,091,584/305,681,030 - Step 6: Final answer
x = 1,364,628,026.45
Related Problems
Find third proportional to 152,840,515 and 322,932,230
Half scale
Find third proportional to 611,362,060 and 1,291,728,920
Double scale
Find third proportional to 305,681,032 and 645,864,464
Similar ratio
Find third proportional to 458,521,545 and 968,796,690
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.