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Finding the Third Proportional to 15,648,638.06 and 33,991,857.56

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Solution

The third proportional to 15,648,638.06 and 33,991,857.56 is: 73,836,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648,638.06 : 33,991,857.56 = 33,991,857.56 : x
  2. Step 2: Convert to fraction form
    15,648,638.06/33,991,857.56 = 33,991,857.56/x
  3. Step 3: Cross multiply
    15,648,638.06x = 33,991,857.56 × 33,991,857.56
  4. Step 4: Simplify right side
    15,648,638.06x = 1,155,446,380,549,288.50
  5. Step 5: Solve for x
    x = 1,155,446,380,549,288.50/15,648,638.06
  6. Step 6: Final answer
    x = 73,836,865.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.