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Finding the Third Proportional to 4,038,996 and 8,645,478

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Solution

The third proportional to 4,038,996 and 8,645,478 is: 18,505,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038,996 : 8,645,478 = 8,645,478 : x
  2. Step 2: Convert to fraction form
    4,038,996/8,645,478 = 8,645,478/x
  3. Step 3: Cross multiply
    4,038,996x = 8,645,478 × 8,645,478
  4. Step 4: Simplify right side
    4,038,996x = 74,744,289,848,484
  5. Step 5: Solve for x
    x = 74,744,289,848,484/4,038,996
  6. Step 6: Final answer
    x = 18,505,660.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.