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Finding the Third Proportional to 4,258,845 and 9,288,432

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Solution

The third proportional to 4,258,845 and 9,288,432 is: 20,257,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,845 : 9,288,432 = 9,288,432 : x
  2. Step 2: Convert to fraction form
    4,258,845/9,288,432 = 9,288,432/x
  3. Step 3: Cross multiply
    4,258,845x = 9,288,432 × 9,288,432
  4. Step 4: Simplify right side
    4,258,845x = 86,274,969,018,624
  5. Step 5: Solve for x
    x = 86,274,969,018,624/4,258,845
  6. Step 6: Final answer
    x = 20,257,832.59

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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.