Finding the Third Proportional to 19,817,460 and 27,906,570
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Solution
The third proportional to 19,817,460 and 27,906,570 is: 39,297,500.75
Step by Step Solution
- Step 1: Write the proportion equation
19,817,460 : 27,906,570 = 27,906,570 : x - Step 2: Convert to fraction form
19,817,460/27,906,570 = 27,906,570/x - Step 3: Cross multiply
19,817,460x = 27,906,570 × 27,906,570 - Step 4: Simplify right side
19,817,460x = 778,776,649,164,900 - Step 5: Solve for x
x = 778,776,649,164,900/19,817,460 - Step 6: Final answer
x = 39,297,500.75
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.