Finding the Third Proportional to 13,291,742 and 19,915,438
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Solution
The third proportional to 13,291,742 and 19,915,438 is: 29,839,931.50
Step by Step Solution
- Step 1: Write the proportion equation
13,291,742 : 19,915,438 = 19,915,438 : x - Step 2: Convert to fraction form
13,291,742/19,915,438 = 19,915,438/x - Step 3: Cross multiply
13,291,742x = 19,915,438 × 19,915,438 - Step 4: Simplify right side
13,291,742x = 396,624,670,731,844 - Step 5: Solve for x
x = 396,624,670,731,844/13,291,742 - Step 6: Final answer
x = 29,839,931.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.