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Finding the Third Proportional to 18,023,861.81 and 27,926,364.94

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Solution

The third proportional to 18,023,861.81 and 27,926,364.94 is: 43,269,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023,861.81 : 27,926,364.94 = 27,926,364.94 : x
  2. Step 2: Convert to fraction form
    18,023,861.81/27,926,364.94 = 27,926,364.94/x
  3. Step 3: Cross multiply
    18,023,861.81x = 27,926,364.94 × 27,926,364.94
  4. Step 4: Simplify right side
    18,023,861.81x = 779,881,858,622,429.38
  5. Step 5: Solve for x
    x = 779,881,858,622,429.38/18,023,861.81
  6. Step 6: Final answer
    x = 43,269,409.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.