Finding the Third Proportional to 212,667,780 and 318,646,890
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Solution
The third proportional to 212,667,780 and 318,646,890 is: 477,438,756.86
Step by Step Solution
- Step 1: Write the proportion equation
212,667,780 : 318,646,890 = 318,646,890 : x - Step 2: Convert to fraction form
212,667,780/318,646,890 = 318,646,890/x - Step 3: Cross multiply
212,667,780x = 318,646,890 × 318,646,890 - Step 4: Simplify right side
212,667,780x = 101,535,840,506,672,096 - Step 5: Solve for x
x = 101,535,840,506,672,096/212,667,780 - Step 6: Final answer
x = 477,438,756.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.