Finding the Third Proportional to 121,286,394 and 263,823,408
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Solution
The third proportional to 121,286,394 and 263,823,408 is: 573,871,382.55
Step by Step Solution
- Step 1: Write the proportion equation
121,286,394 : 263,823,408 = 263,823,408 : x - Step 2: Convert to fraction form
121,286,394/263,823,408 = 263,823,408/x - Step 3: Cross multiply
121,286,394x = 263,823,408 × 263,823,408 - Step 4: Simplify right side
121,286,394x = 69,602,790,608,734,464 - Step 5: Solve for x
x = 69,602,790,608,734,464/121,286,394 - Step 6: Final answer
x = 573,871,382.55
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.