Finding the Third Proportional to 5,781,376 and 12,855,368
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Solution
The third proportional to 5,781,376 and 12,855,368 is: 28,584,974.65
Step by Step Solution
- Step 1: Write the proportion equation
5,781,376 : 12,855,368 = 12,855,368 : x - Step 2: Convert to fraction form
5,781,376/12,855,368 = 12,855,368/x - Step 3: Cross multiply
5,781,376x = 12,855,368 × 12,855,368 - Step 4: Simplify right side
5,781,376x = 165,260,486,415,424 - Step 5: Solve for x
x = 165,260,486,415,424/5,781,376 - Step 6: Final answer
x = 28,584,974.65
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.