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Finding the Third Proportional to 579,091 and 885,858

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Solution

The third proportional to 579,091 and 885,858 is: 1,355,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,091 : 885,858 = 885,858 : x
  2. Step 2: Convert to fraction form
    579,091/885,858 = 885,858/x
  3. Step 3: Cross multiply
    579,091x = 885,858 × 885,858
  4. Step 4: Simplify right side
    579,091x = 784,744,396,164
  5. Step 5: Solve for x
    x = 784,744,396,164/579,091
  6. Step 6: Final answer
    x = 1,355,131.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.