Finding the Third Proportional to 688,980 and 1,013,058
Calculator
Solution
The third proportional to 688,980 and 1,013,058 is: 1,489,573.73
Step by Step Solution
- Step 1: Write the proportion equation
688,980 : 1,013,058 = 1,013,058 : x - Step 2: Convert to fraction form
688,980/1,013,058 = 1,013,058/x - Step 3: Cross multiply
688,980x = 1,013,058 × 1,013,058 - Step 4: Simplify right side
688,980x = 1,026,286,511,364 - Step 5: Solve for x
x = 1,026,286,511,364/688,980 - Step 6: Final answer
x = 1,489,573.73
Related Problems
Find third proportional to 344,490 and 506,529
Half scale
Find third proportional to 1,377,960 and 2,026,116
Double scale
Find third proportional to 688,982 and 1,013,061
Similar ratio
Find third proportional to 1,033,470 and 1,519,587
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.