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Finding the Third Proportional to 18,894,757.50 and 28,337,215.50

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Solution

The third proportional to 18,894,757.50 and 28,337,215.50 is: 42,498,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,757.50 : 28,337,215.50 = 28,337,215.50 : x
  2. Step 2: Convert to fraction form
    18,894,757.50/28,337,215.50 = 28,337,215.50/x
  3. Step 3: Cross multiply
    18,894,757.50x = 28,337,215.50 × 28,337,215.50
  4. Step 4: Simplify right side
    18,894,757.50x = 802,997,782,293,440.25
  5. Step 5: Solve for x
    x = 802,997,782,293,440.25/18,894,757.50
  6. Step 6: Final answer
    x = 42,498,443.41

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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.