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Finding the Third Proportional to 18,839,811.94 and 40,566,414.94

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Solution

The third proportional to 18,839,811.94 and 40,566,414.94 is: 87,348,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839,811.94 : 40,566,414.94 = 40,566,414.94 : x
  2. Step 2: Convert to fraction form
    18,839,811.94/40,566,414.94 = 40,566,414.94/x
  3. Step 3: Cross multiply
    18,839,811.94x = 40,566,414.94 × 40,566,414.94
  4. Step 4: Simplify right side
    18,839,811.94x = 1,645,634,020,881,423.25
  5. Step 5: Solve for x
    x = 1,645,634,020,881,423.25/18,839,811.94
  6. Step 6: Final answer
    x = 87,348,749.89

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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.