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Finding the Third Proportional to 4,397,028 and 9,688,539

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Solution

The third proportional to 4,397,028 and 9,688,539 is: 21,348,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397,028 : 9,688,539 = 9,688,539 : x
  2. Step 2: Convert to fraction form
    4,397,028/9,688,539 = 9,688,539/x
  3. Step 3: Cross multiply
    4,397,028x = 9,688,539 × 9,688,539
  4. Step 4: Simplify right side
    4,397,028x = 93,867,787,954,521
  5. Step 5: Solve for x
    x = 93,867,787,954,521/4,397,028
  6. Step 6: Final answer
    x = 21,348,007.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.