Finding the Third Proportional to 212,979,720 and 304,352,948
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Solution
The third proportional to 212,979,720 and 304,352,948 is: 434,927,405.09
Step by Step Solution
- Step 1: Write the proportion equation
212,979,720 : 304,352,948 = 304,352,948 : x - Step 2: Convert to fraction form
212,979,720/304,352,948 = 304,352,948/x - Step 3: Cross multiply
212,979,720x = 304,352,948 × 304,352,948 - Step 4: Simplify right side
212,979,720x = 92,630,716,956,290,704 - Step 5: Solve for x
x = 92,630,716,956,290,704/212,979,720 - Step 6: Final answer
x = 434,927,405.09
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.