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Finding the Third Proportional to 579,691.69 and 1,245,223.13

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Solution

The third proportional to 579,691.69 and 1,245,223.13 is: 2,674,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,691.69 : 1,245,223.13 = 1,245,223.13 : x
  2. Step 2: Convert to fraction form
    579,691.69/1,245,223.13 = 1,245,223.13/x
  3. Step 3: Cross multiply
    579,691.69x = 1,245,223.13 × 1,245,223.13
  4. Step 4: Simplify right side
    579,691.69x = 1,550,580,631,034.77
  5. Step 5: Solve for x
    x = 1,550,580,631,034.77/579,691.69
  6. Step 6: Final answer
    x = 2,674,836.75

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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.