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Finding the Third Proportional to 895,939 and 1,387,245

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Solution

The third proportional to 895,939 and 1,387,245 is: 2,147,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,939 : 1,387,245 = 1,387,245 : x
  2. Step 2: Convert to fraction form
    895,939/1,387,245 = 1,387,245/x
  3. Step 3: Cross multiply
    895,939x = 1,387,245 × 1,387,245
  4. Step 4: Simplify right side
    895,939x = 1,924,448,690,025
  5. Step 5: Solve for x
    x = 1,924,448,690,025/895,939
  6. Step 6: Final answer
    x = 2,147,968.43

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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.