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Finding the Third Proportional to 403,572 and 885,868

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Solution

The third proportional to 403,572 and 885,868 is: 1,944,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,572 : 885,868 = 885,868 : x
  2. Step 2: Convert to fraction form
    403,572/885,868 = 885,868/x
  3. Step 3: Cross multiply
    403,572x = 885,868 × 885,868
  4. Step 4: Simplify right side
    403,572x = 784,762,113,424
  5. Step 5: Solve for x
    x = 784,762,113,424/403,572
  6. Step 6: Final answer
    x = 1,944,540.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.