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Finding the Third Proportional to 630,859 and 1,383,853

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Solution

The third proportional to 630,859 and 1,383,853 is: 3,035,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,859 : 1,383,853 = 1,383,853 : x
  2. Step 2: Convert to fraction form
    630,859/1,383,853 = 1,383,853/x
  3. Step 3: Cross multiply
    630,859x = 1,383,853 × 1,383,853
  4. Step 4: Simplify right side
    630,859x = 1,915,049,125,609
  5. Step 5: Solve for x
    x = 1,915,049,125,609/630,859
  6. Step 6: Final answer
    x = 3,035,621.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.