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Finding the Third Proportional to 16,521,148.50 and 34,399,999.50

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Solution

The third proportional to 16,521,148.50 and 34,399,999.50 is: 71,626,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521,148.50 : 34,399,999.50 = 34,399,999.50 : x
  2. Step 2: Convert to fraction form
    16,521,148.50/34,399,999.50 = 34,399,999.50/x
  3. Step 3: Cross multiply
    16,521,148.50x = 34,399,999.50 × 34,399,999.50
  4. Step 4: Simplify right side
    16,521,148.50x = 1,183,359,965,600,000.25
  5. Step 5: Solve for x
    x = 1,183,359,965,600,000.25/16,521,148.50
  6. Step 6: Final answer
    x = 71,626,979.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.