Finding the Third Proportional to 42,272,415.75 and 65,454,117.75
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Solution
The third proportional to 42,272,415.75 and 65,454,117.75 is: 101,348,395.98
Step by Step Solution
- Step 1: Write the proportion equation
42,272,415.75 : 65,454,117.75 = 65,454,117.75 : x - Step 2: Convert to fraction form
42,272,415.75/65,454,117.75 = 65,454,117.75/x - Step 3: Cross multiply
42,272,415.75x = 65,454,117.75 × 65,454,117.75 - Step 4: Simplify right side
42,272,415.75x = 4,284,241,530,430,865 - Step 5: Solve for x
x = 4,284,241,530,430,865/42,272,415.75 - Step 6: Final answer
x = 101,348,395.98
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.