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Finding the Third Proportional to 4,387,408 and 9,783,031

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Solution

The third proportional to 4,387,408 and 9,783,031 is: 21,814,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387,408 : 9,783,031 = 9,783,031 : x
  2. Step 2: Convert to fraction form
    4,387,408/9,783,031 = 9,783,031/x
  3. Step 3: Cross multiply
    4,387,408x = 9,783,031 × 9,783,031
  4. Step 4: Simplify right side
    4,387,408x = 95,707,695,546,961
  5. Step 5: Solve for x
    x = 95,707,695,546,961/4,387,408
  6. Step 6: Final answer
    x = 21,814,177.20

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.