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Finding the Third Proportional to 8,650,939.06 and 20,421,357.40

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Solution

The third proportional to 8,650,939.06 and 20,421,357.40 is: 48,206,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650,939.06 : 20,421,357.40 = 20,421,357.40 : x
  2. Step 2: Convert to fraction form
    8,650,939.06/20,421,357.40 = 20,421,357.40/x
  3. Step 3: Cross multiply
    8,650,939.06x = 20,421,357.40 × 20,421,357.40
  4. Step 4: Simplify right side
    8,650,939.06x = 417,031,837,994,738.44
  5. Step 5: Solve for x
    x = 417,031,837,994,738.44/8,650,939.06
  6. Step 6: Final answer
    x = 48,206,539.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.