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Finding the Third Proportional to 12,667,392 and 19,109,376

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Solution

The third proportional to 12,667,392 and 19,109,376 is: 28,827,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,392 : 19,109,376 = 19,109,376 : x
  2. Step 2: Convert to fraction form
    12,667,392/19,109,376 = 19,109,376/x
  3. Step 3: Cross multiply
    12,667,392x = 19,109,376 × 19,109,376
  4. Step 4: Simplify right side
    12,667,392x = 365,168,251,109,376
  5. Step 5: Solve for x
    x = 365,168,251,109,376/12,667,392
  6. Step 6: Final answer
    x = 28,827,421.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.