Finding the Third Proportional to 447,942,135 and 931,641,711
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Solution
The third proportional to 447,942,135 and 931,641,711 is: 1,937,652,678.45
Step by Step Solution
- Step 1: Write the proportion equation
447,942,135 : 931,641,711 = 931,641,711 : x - Step 2: Convert to fraction form
447,942,135/931,641,711 = 931,641,711/x - Step 3: Cross multiply
447,942,135x = 931,641,711 × 931,641,711 - Step 4: Simplify right side
447,942,135x = 867,956,277,675,007,488 - Step 5: Solve for x
x = 867,956,277,675,007,488/447,942,135 - Step 6: Final answer
x = 1,937,652,678.45
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.