Finding the Third Proportional to 390,176,426 and 563,737,554
Calculator
Solution
The third proportional to 390,176,426 and 563,737,554 is: 814,503,410.80
Step by Step Solution
- Step 1: Write the proportion equation
390,176,426 : 563,737,554 = 563,737,554 : x - Step 2: Convert to fraction form
390,176,426/563,737,554 = 563,737,554/x - Step 3: Cross multiply
390,176,426x = 563,737,554 × 563,737,554 - Step 4: Simplify right side
390,176,426x = 317,800,029,789,902,912 - Step 5: Solve for x
x = 317,800,029,789,902,912/390,176,426 - Step 6: Final answer
x = 814,503,410.80
Related Problems
Find third proportional to 195,088,213 and 281,868,777
Half scale
Find third proportional to 780,352,852 and 1,127,475,108
Double scale
Find third proportional to 390,176,428 and 563,737,557
Similar ratio
Find third proportional to 585,264,639 and 845,606,331
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.