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Finding the Third Proportional to 619,230 and 1,255,892

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Solution

The third proportional to 619,230 and 1,255,892 is: 2,547,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,230 : 1,255,892 = 1,255,892 : x
  2. Step 2: Convert to fraction form
    619,230/1,255,892 = 1,255,892/x
  3. Step 3: Cross multiply
    619,230x = 1,255,892 × 1,255,892
  4. Step 4: Simplify right side
    619,230x = 1,577,264,715,664
  5. Step 5: Solve for x
    x = 1,577,264,715,664/619,230
  6. Step 6: Final answer
    x = 2,547,138.73

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.