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Finding the Third Proportional to 19,253,840 and 42,286,336

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Solution

The third proportional to 19,253,840 and 42,286,336 is: 92,871,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253,840 : 42,286,336 = 42,286,336 : x
  2. Step 2: Convert to fraction form
    19,253,840/42,286,336 = 42,286,336/x
  3. Step 3: Cross multiply
    19,253,840x = 42,286,336 × 42,286,336
  4. Step 4: Simplify right side
    19,253,840x = 1,788,134,212,304,896
  5. Step 5: Solve for x
    x = 1,788,134,212,304,896/19,253,840
  6. Step 6: Final answer
    x = 92,871,562.88

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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.