Finding the Third Proportional to 121,429,710 and 186,530,886
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Solution
The third proportional to 121,429,710 and 186,530,886 is: 286,534,254.52
Step by Step Solution
- Step 1: Write the proportion equation
121,429,710 : 186,530,886 = 186,530,886 : x - Step 2: Convert to fraction form
121,429,710/186,530,886 = 186,530,886/x - Step 3: Cross multiply
121,429,710x = 186,530,886 × 186,530,886 - Step 4: Simplify right side
121,429,710x = 34,793,771,431,944,996 - Step 5: Solve for x
x = 34,793,771,431,944,996/121,429,710 - Step 6: Final answer
x = 286,534,254.52
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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.