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Finding the Third Proportional to 15,609.75 and 38,043

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Solution

The third proportional to 15,609.75 and 38,043 is: 92,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.75 : 38,043 = 38,043 : x
  2. Step 2: Convert to fraction form
    15,609.75/38,043 = 38,043/x
  3. Step 3: Cross multiply
    15,609.75x = 38,043 × 38,043
  4. Step 4: Simplify right side
    15,609.75x = 1,447,269,849
  5. Step 5: Solve for x
    x = 1,447,269,849/15,609.75
  6. Step 6: Final answer
    x = 92,715.76

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Why These Related Problems?

These problems maintain the same ratio (2.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.