Finding the Third Proportional to 42,121,842.75 and 64,715,577.75
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Solution
The third proportional to 42,121,842.75 and 64,715,577.75 is: 99,428,366.14
Step by Step Solution
- Step 1: Write the proportion equation
42,121,842.75 : 64,715,577.75 = 64,715,577.75 : x - Step 2: Convert to fraction form
42,121,842.75/64,715,577.75 = 64,715,577.75/x - Step 3: Cross multiply
42,121,842.75x = 64,715,577.75 × 64,715,577.75 - Step 4: Simplify right side
42,121,842.75x = 4,188,106,003,516,295 - Step 5: Solve for x
x = 4,188,106,003,516,295/42,121,842.75 - Step 6: Final answer
x = 99,428,366.14
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.