Finding the Third Proportional to 479,642 and 692,944
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Solution
The third proportional to 479,642 and 692,944 is: 1,001,103.71
Step by Step Solution
- Step 1: Write the proportion equation
479,642 : 692,944 = 692,944 : x - Step 2: Convert to fraction form
479,642/692,944 = 692,944/x - Step 3: Cross multiply
479,642x = 692,944 × 692,944 - Step 4: Simplify right side
479,642x = 480,171,387,136 - Step 5: Solve for x
x = 480,171,387,136/479,642 - Step 6: Final answer
x = 1,001,103.71
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.