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Finding the Third Proportional to 18,916,035.38 and 40,733,208.75

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Solution

The third proportional to 18,916,035.38 and 40,733,208.75 is: 87,713,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,035.38 : 40,733,208.75 = 40,733,208.75 : x
  2. Step 2: Convert to fraction form
    18,916,035.38/40,733,208.75 = 40,733,208.75/x
  3. Step 3: Cross multiply
    18,916,035.38x = 40,733,208.75 × 40,733,208.75
  4. Step 4: Simplify right side
    18,916,035.38x = 1,659,194,295,071,076.50
  5. Step 5: Solve for x
    x = 1,659,194,295,071,076.50/18,916,035.38
  6. Step 6: Final answer
    x = 87,713,638.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.