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Finding the Third Proportional to 8,912,046 and 12,992,517

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Solution

The third proportional to 8,912,046 and 12,992,517 is: 18,941,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,046 : 12,992,517 = 12,992,517 : x
  2. Step 2: Convert to fraction form
    8,912,046/12,992,517 = 12,992,517/x
  3. Step 3: Cross multiply
    8,912,046x = 12,992,517 × 12,992,517
  4. Step 4: Simplify right side
    8,912,046x = 168,805,497,995,289
  5. Step 5: Solve for x
    x = 168,805,497,995,289/8,912,046
  6. Step 6: Final answer
    x = 18,941,273.19

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.