Finding the Third Proportional to 292,850,678.81 and 388,656,246.94
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Solution
The third proportional to 292,850,678.81 and 388,656,246.94 is: 515,804,432.81
Step by Step Solution
- Step 1: Write the proportion equation
292,850,678.81 : 388,656,246.94 = 388,656,246.94 : x - Step 2: Convert to fraction form
292,850,678.81/388,656,246.94 = 388,656,246.94/x - Step 3: Cross multiply
292,850,678.81x = 388,656,246.94 × 388,656,246.94 - Step 4: Simplify right side
292,850,678.81x = 151,053,678,283,542,976 - Step 5: Solve for x
x = 151,053,678,283,542,976/292,850,678.81 - Step 6: Final answer
x = 515,804,432.81
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.