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Finding the Third Proportional to 4,279,392 and 9,326,448

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Solution

The third proportional to 4,279,392 and 9,326,448 is: 20,325,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,392 : 9,326,448 = 9,326,448 : x
  2. Step 2: Convert to fraction form
    4,279,392/9,326,448 = 9,326,448/x
  3. Step 3: Cross multiply
    4,279,392x = 9,326,448 × 9,326,448
  4. Step 4: Simplify right side
    4,279,392x = 86,982,632,296,704
  5. Step 5: Solve for x
    x = 86,982,632,296,704/4,279,392
  6. Step 6: Final answer
    x = 20,325,932.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.