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Finding the Third Proportional to 16,721,459.50 and 36,731,211

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Solution

The third proportional to 16,721,459.50 and 36,731,211 is: 80,685,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,459.50 : 36,731,211 = 36,731,211 : x
  2. Step 2: Convert to fraction form
    16,721,459.50/36,731,211 = 36,731,211/x
  3. Step 3: Cross multiply
    16,721,459.50x = 36,731,211 × 36,731,211
  4. Step 4: Simplify right side
    16,721,459.50x = 1,349,181,861,526,521
  5. Step 5: Solve for x
    x = 1,349,181,861,526,521/16,721,459.50
  6. Step 6: Final answer
    x = 80,685,651.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.