Finding the Third Proportional to 120,125,511 and 258,359,382
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Solution
The third proportional to 120,125,511 and 258,359,382 is: 555,665,234.73
Step by Step Solution
- Step 1: Write the proportion equation
120,125,511 : 258,359,382 = 258,359,382 : x - Step 2: Convert to fraction form
120,125,511/258,359,382 = 258,359,382/x - Step 3: Cross multiply
120,125,511x = 258,359,382 × 258,359,382 - Step 4: Simplify right side
120,125,511x = 66,749,570,267,421,920 - Step 5: Solve for x
x = 66,749,570,267,421,920/120,125,511 - Step 6: Final answer
x = 555,665,234.73
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.