Finding the Third Proportional to 19,942,179 and 43,378,377
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Solution
The third proportional to 19,942,179 and 43,378,377 is: 94,356,970.28
Step by Step Solution
- Step 1: Write the proportion equation
19,942,179 : 43,378,377 = 43,378,377 : x - Step 2: Convert to fraction form
19,942,179/43,378,377 = 43,378,377/x - Step 3: Cross multiply
19,942,179x = 43,378,377 × 43,378,377 - Step 4: Simplify right side
19,942,179x = 1,881,683,591,154,129 - Step 5: Solve for x
x = 1,881,683,591,154,129/19,942,179 - Step 6: Final answer
x = 94,356,970.28
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.