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Finding the Third Proportional to 699,166.69 and 1,079,659.13

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Solution

The third proportional to 699,166.69 and 1,079,659.13 is: 1,667,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,166.69 : 1,079,659.13 = 1,079,659.13 : x
  2. Step 2: Convert to fraction form
    699,166.69/1,079,659.13 = 1,079,659.13/x
  3. Step 3: Cross multiply
    699,166.69x = 1,079,659.13 × 1,079,659.13
  4. Step 4: Simplify right side
    699,166.69x = 1,165,663,826,195.77
  5. Step 5: Solve for x
    x = 1,165,663,826,195.77/699,166.69
  6. Step 6: Final answer
    x = 1,667,218.77

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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.