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Finding the Third Proportional to 886,905 and 1,369,728

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Solution

The third proportional to 886,905 and 1,369,728 is: 2,115,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,905 : 1,369,728 = 1,369,728 : x
  2. Step 2: Convert to fraction form
    886,905/1,369,728 = 1,369,728/x
  3. Step 3: Cross multiply
    886,905x = 1,369,728 × 1,369,728
  4. Step 4: Simplify right side
    886,905x = 1,876,154,793,984
  5. Step 5: Solve for x
    x = 1,876,154,793,984/886,905
  6. Step 6: Final answer
    x = 2,115,395.44

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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.