Finding the Third Proportional to 842,136 and 1,294,437
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Solution
The third proportional to 842,136 and 1,294,437 is: 1,989,663.36
Step by Step Solution
- Step 1: Write the proportion equation
842,136 : 1,294,437 = 1,294,437 : x - Step 2: Convert to fraction form
842,136/1,294,437 = 1,294,437/x - Step 3: Cross multiply
842,136x = 1,294,437 × 1,294,437 - Step 4: Simplify right side
842,136x = 1,675,567,146,969 - Step 5: Solve for x
x = 1,675,567,146,969/842,136 - Step 6: Final answer
x = 1,989,663.36
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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.