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Finding the Third Proportional to 19,324,996 and 42,122,218

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Solution

The third proportional to 19,324,996 and 42,122,218 is: 91,812,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,996 : 42,122,218 = 42,122,218 : x
  2. Step 2: Convert to fraction form
    19,324,996/42,122,218 = 42,122,218/x
  3. Step 3: Cross multiply
    19,324,996x = 42,122,218 × 42,122,218
  4. Step 4: Simplify right side
    19,324,996x = 1,774,281,249,239,524
  5. Step 5: Solve for x
    x = 1,774,281,249,239,524/19,324,996
  6. Step 6: Final answer
    x = 91,812,761.53

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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.