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Finding the Third Proportional to 403,642 and 886,008

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Solution

The third proportional to 403,642 and 886,008 is: 1,944,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,642 : 886,008 = 886,008 : x
  2. Step 2: Convert to fraction form
    403,642/886,008 = 886,008/x
  3. Step 3: Cross multiply
    403,642x = 886,008 × 886,008
  4. Step 4: Simplify right side
    403,642x = 785,010,176,064
  5. Step 5: Solve for x
    x = 785,010,176,064/403,642
  6. Step 6: Final answer
    x = 1,944,817.87

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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.