Finding the Third Proportional to 721,504,838 and 1,115,390,376
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Solution
The third proportional to 721,504,838 and 1,115,390,376 is: 1,724,306,789.57
Step by Step Solution
- Step 1: Write the proportion equation
721,504,838 : 1,115,390,376 = 1,115,390,376 : x - Step 2: Convert to fraction form
721,504,838/1,115,390,376 = 1,115,390,376/x - Step 3: Cross multiply
721,504,838x = 1,115,390,376 × 1,115,390,376 - Step 4: Simplify right side
721,504,838x = 1,244,095,690,873,421,312 - Step 5: Solve for x
x = 1,244,095,690,873,421,312/721,504,838 - Step 6: Final answer
x = 1,724,306,789.57
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.