Finding the Third Proportional to 318,382,798 and 685,474,460
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Solution
The third proportional to 318,382,798 and 685,474,460 is: 1,475,818,537.51
Step by Step Solution
- Step 1: Write the proportion equation
318,382,798 : 685,474,460 = 685,474,460 : x - Step 2: Convert to fraction form
318,382,798/685,474,460 = 685,474,460/x - Step 3: Cross multiply
318,382,798x = 685,474,460 × 685,474,460 - Step 4: Simplify right side
318,382,798x = 469,875,235,312,291,584 - Step 5: Solve for x
x = 469,875,235,312,291,584/318,382,798 - Step 6: Final answer
x = 1,475,818,537.51
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.