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Finding the Third Proportional to 18,894,936 and 28,337,472

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Solution

The third proportional to 18,894,936 and 28,337,472 is: 42,498,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,936 : 28,337,472 = 28,337,472 : x
  2. Step 2: Convert to fraction form
    18,894,936/28,337,472 = 28,337,472/x
  3. Step 3: Cross multiply
    18,894,936x = 28,337,472 × 28,337,472
  4. Step 4: Simplify right side
    18,894,936x = 803,012,319,350,784
  5. Step 5: Solve for x
    x = 803,012,319,350,784/18,894,936
  6. Step 6: Final answer
    x = 42,498,811.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.