Finding the Third Proportional to 42,770,966 and 87,809,347
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Solution
The third proportional to 42,770,966 and 87,809,347 is: 180,273,726.35
Step by Step Solution
- Step 1: Write the proportion equation
42,770,966 : 87,809,347 = 87,809,347 : x - Step 2: Convert to fraction form
42,770,966/87,809,347 = 87,809,347/x - Step 3: Cross multiply
42,770,966x = 87,809,347 × 87,809,347 - Step 4: Simplify right side
42,770,966x = 7,710,481,420,566,409 - Step 5: Solve for x
x = 7,710,481,420,566,409/42,770,966 - Step 6: Final answer
x = 180,273,726.35
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.