Finding the Third Proportional to 57,202,930 and 121,889,522
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Solution
The third proportional to 57,202,930 and 121,889,522 is: 259,725,429.68
Step by Step Solution
- Step 1: Write the proportion equation
57,202,930 : 121,889,522 = 121,889,522 : x - Step 2: Convert to fraction form
57,202,930/121,889,522 = 121,889,522/x - Step 3: Cross multiply
57,202,930x = 121,889,522 × 121,889,522 - Step 4: Simplify right side
57,202,930x = 14,857,055,573,388,484 - Step 5: Solve for x
x = 14,857,055,573,388,484/57,202,930 - Step 6: Final answer
x = 259,725,429.68
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.