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Finding the Third Proportional to 17,789,863.50 and 38,983,731.75

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Solution

The third proportional to 17,789,863.50 and 38,983,731.75 is: 85,426,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789,863.50 : 38,983,731.75 = 38,983,731.75 : x
  2. Step 2: Convert to fraction form
    17,789,863.50/38,983,731.75 = 38,983,731.75/x
  3. Step 3: Cross multiply
    17,789,863.50x = 38,983,731.75 × 38,983,731.75
  4. Step 4: Simplify right side
    17,789,863.50x = 1,519,731,341,155,958
  5. Step 5: Solve for x
    x = 1,519,731,341,155,958/17,789,863.50
  6. Step 6: Final answer
    x = 85,426,812.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.