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Finding the Third Proportional to 16,721,453.95 and 36,731,199.09

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Solution

The third proportional to 16,721,453.95 and 36,731,199.09 is: 80,685,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,453.95 : 36,731,199.09 = 36,731,199.09 : x
  2. Step 2: Convert to fraction form
    16,721,453.95/36,731,199.09 = 36,731,199.09/x
  3. Step 3: Cross multiply
    16,721,453.95x = 36,731,199.09 × 36,731,199.09
  4. Step 4: Simplify right side
    16,721,453.95x = 1,349,180,986,864,700.75
  5. Step 5: Solve for x
    x = 1,349,180,986,864,700.75/16,721,453.95
  6. Step 6: Final answer
    x = 80,685,626.42

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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.