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Finding the Third Proportional to 12,029,754 and 18,655,467

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Solution

The third proportional to 12,029,754 and 18,655,467 is: 28,930,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,754 : 18,655,467 = 18,655,467 : x
  2. Step 2: Convert to fraction form
    12,029,754/18,655,467 = 18,655,467/x
  3. Step 3: Cross multiply
    12,029,754x = 18,655,467 × 18,655,467
  4. Step 4: Simplify right side
    12,029,754x = 348,026,448,988,089
  5. Step 5: Solve for x
    x = 348,026,448,988,089/12,029,754
  6. Step 6: Final answer
    x = 28,930,470.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.