Finding the Third Proportional to 319,576,529.25 and 687,691,336.50
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Solution
The third proportional to 319,576,529.25 and 687,691,336.50 is: 1,479,831,373.75
Step by Step Solution
- Step 1: Write the proportion equation
319,576,529.25 : 687,691,336.50 = 687,691,336.50 : x - Step 2: Convert to fraction form
319,576,529.25/687,691,336.50 = 687,691,336.50/x - Step 3: Cross multiply
319,576,529.25x = 687,691,336.50 × 687,691,336.50 - Step 4: Simplify right side
319,576,529.25x = 472,919,374,297,156,224 - Step 5: Solve for x
x = 472,919,374,297,156,224/319,576,529.25 - Step 6: Final answer
x = 1,479,831,373.75
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.