Finding the Third Proportional to 161,689,438 and 248,530,894
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Solution
The third proportional to 161,689,438 and 248,530,894 is: 382,013,853.45
Step by Step Solution
- Step 1: Write the proportion equation
161,689,438 : 248,530,894 = 248,530,894 : x - Step 2: Convert to fraction form
161,689,438/248,530,894 = 248,530,894/x - Step 3: Cross multiply
161,689,438x = 248,530,894 × 248,530,894 - Step 4: Simplify right side
161,689,438x = 61,767,605,272,439,232 - Step 5: Solve for x
x = 61,767,605,272,439,232/161,689,438 - Step 6: Final answer
x = 382,013,853.45
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.