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Finding the Third Proportional to 2,005,238 and 4,330,128

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Solution

The third proportional to 2,005,238 and 4,330,128 is: 9,350,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,238 : 4,330,128 = 4,330,128 : x
  2. Step 2: Convert to fraction form
    2,005,238/4,330,128 = 4,330,128/x
  3. Step 3: Cross multiply
    2,005,238x = 4,330,128 × 4,330,128
  4. Step 4: Simplify right side
    2,005,238x = 18,750,008,496,384
  5. Step 5: Solve for x
    x = 18,750,008,496,384/2,005,238
  6. Step 6: Final answer
    x = 9,350,515.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.