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Finding the Third Proportional to 889,326 and 1,375,623

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Solution

The third proportional to 889,326 and 1,375,623 is: 2,127,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,326 : 1,375,623 = 1,375,623 : x
  2. Step 2: Convert to fraction form
    889,326/1,375,623 = 1,375,623/x
  3. Step 3: Cross multiply
    889,326x = 1,375,623 × 1,375,623
  4. Step 4: Simplify right side
    889,326x = 1,892,338,638,129
  5. Step 5: Solve for x
    x = 1,892,338,638,129/889,326
  6. Step 6: Final answer
    x = 2,127,834.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.