Finding the Third Proportional to 228,000,388 and 478,395,656
Calculator
Solution
The third proportional to 228,000,388 and 478,395,656 is: 1,003,780,764.09
Step by Step Solution
- Step 1: Write the proportion equation
228,000,388 : 478,395,656 = 478,395,656 : x - Step 2: Convert to fraction form
228,000,388/478,395,656 = 478,395,656/x - Step 3: Cross multiply
228,000,388x = 478,395,656 × 478,395,656 - Step 4: Simplify right side
228,000,388x = 228,862,403,679,670,336 - Step 5: Solve for x
x = 228,862,403,679,670,336/228,000,388 - Step 6: Final answer
x = 1,003,780,764.09
Related Problems
Find third proportional to 114,000,194 and 239,197,828
Half scale
Find third proportional to 456,000,776 and 956,791,312
Double scale
Find third proportional to 228,000,390 and 478,395,660
Similar ratio
Find third proportional to 342,000,582 and 717,593,484
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.