Finding the Third Proportional to 7,439,238 and 11,490,316
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Solution
The third proportional to 7,439,238 and 11,490,316 is: 17,747,430.82
Step by Step Solution
- Step 1: Write the proportion equation
7,439,238 : 11,490,316 = 11,490,316 : x - Step 2: Convert to fraction form
7,439,238/11,490,316 = 11,490,316/x - Step 3: Cross multiply
7,439,238x = 11,490,316 × 11,490,316 - Step 4: Simplify right side
7,439,238x = 132,027,361,779,856 - Step 5: Solve for x
x = 132,027,361,779,856/7,439,238 - Step 6: Final answer
x = 17,747,430.82
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.