Finding the Third Proportional to 7,338,420 and 15,564,764
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Solution
The third proportional to 7,338,420 and 15,564,764 is: 33,012,811.80
Step by Step Solution
- Step 1: Write the proportion equation
7,338,420 : 15,564,764 = 15,564,764 : x - Step 2: Convert to fraction form
7,338,420/15,564,764 = 15,564,764/x - Step 3: Cross multiply
7,338,420x = 15,564,764 × 15,564,764 - Step 4: Simplify right side
7,338,420x = 242,261,878,375,696 - Step 5: Solve for x
x = 242,261,878,375,696/7,338,420 - Step 6: Final answer
x = 33,012,811.80
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.