Finding the Third Proportional to 78,426,514 and 118,648,441
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Solution
The third proportional to 78,426,514 and 118,648,441 is: 179,498,639.35
Step by Step Solution
- Step 1: Write the proportion equation
78,426,514 : 118,648,441 = 118,648,441 : x - Step 2: Convert to fraction form
78,426,514/118,648,441 = 118,648,441/x - Step 3: Cross multiply
78,426,514x = 118,648,441 × 118,648,441 - Step 4: Simplify right side
78,426,514x = 14,077,452,551,730,480 - Step 5: Solve for x
x = 14,077,452,551,730,480/78,426,514 - Step 6: Final answer
x = 179,498,639.35
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.