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Finding the Third Proportional to 18,938.75 and 41,011.75

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Solution

The third proportional to 18,938.75 and 41,011.75 is: 88,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.75 : 41,011.75 = 41,011.75 : x
  2. Step 2: Convert to fraction form
    18,938.75/41,011.75 = 41,011.75/x
  3. Step 3: Cross multiply
    18,938.75x = 41,011.75 × 41,011.75
  4. Step 4: Simplify right side
    18,938.75x = 1,681,963,638.06
  5. Step 5: Solve for x
    x = 1,681,963,638.06/18,938.75
  6. Step 6: Final answer
    x = 88,810.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.