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Finding the Third Proportional to 18,806,983.50 and 25,986,979.75

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Solution

The third proportional to 18,806,983.50 and 25,986,979.75 is: 35,908,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806,983.50 : 25,986,979.75 = 25,986,979.75 : x
  2. Step 2: Convert to fraction form
    18,806,983.50/25,986,979.75 = 25,986,979.75/x
  3. Step 3: Cross multiply
    18,806,983.50x = 25,986,979.75 × 25,986,979.75
  4. Step 4: Simplify right side
    18,806,983.50x = 675,323,116,526,910
  5. Step 5: Solve for x
    x = 675,323,116,526,910/18,806,983.50
  6. Step 6: Final answer
    x = 35,908,103.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.