Finding the Third Proportional to 684,307,686 and 988,706,649
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Solution
The third proportional to 684,307,686 and 988,706,649 is: 1,428,510,679.88
Step by Step Solution
- Step 1: Write the proportion equation
684,307,686 : 988,706,649 = 988,706,649 : x - Step 2: Convert to fraction form
684,307,686/988,706,649 = 988,706,649/x - Step 3: Cross multiply
684,307,686x = 988,706,649 × 988,706,649 - Step 4: Simplify right side
684,307,686x = 977,540,837,776,809,216 - Step 5: Solve for x
x = 977,540,837,776,809,216/684,307,686 - Step 6: Final answer
x = 1,428,510,679.88
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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.