Finding the Third Proportional to 121,278,836 and 186,602,478
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Solution
The third proportional to 121,278,836 and 186,602,478 is: 287,110,974.55
Step by Step Solution
- Step 1: Write the proportion equation
121,278,836 : 186,602,478 = 186,602,478 : x - Step 2: Convert to fraction form
121,278,836/186,602,478 = 186,602,478/x - Step 3: Cross multiply
121,278,836x = 186,602,478 × 186,602,478 - Step 4: Simplify right side
121,278,836x = 34,820,484,795,740,484 - Step 5: Solve for x
x = 34,820,484,795,740,484/121,278,836 - Step 6: Final answer
x = 287,110,974.55
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.