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Finding the Third Proportional to 699,163 and 1,079,654

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Solution

The third proportional to 699,163 and 1,079,654 is: 1,667,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,163 : 1,079,654 = 1,079,654 : x
  2. Step 2: Convert to fraction form
    699,163/1,079,654 = 1,079,654/x
  3. Step 3: Cross multiply
    699,163x = 1,079,654 × 1,079,654
  4. Step 4: Simplify right side
    699,163x = 1,165,652,759,716
  5. Step 5: Solve for x
    x = 1,165,652,759,716/699,163
  6. Step 6: Final answer
    x = 1,667,211.74

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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.