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Finding the Third Proportional to 51,043.50 and 75,087

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Solution

The third proportional to 51,043.50 and 75,087 is: 110,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.50 : 75,087 = 75,087 : x
  2. Step 2: Convert to fraction form
    51,043.50/75,087 = 75,087/x
  3. Step 3: Cross multiply
    51,043.50x = 75,087 × 75,087
  4. Step 4: Simplify right side
    51,043.50x = 5,638,057,569
  5. Step 5: Solve for x
    x = 5,638,057,569/51,043.50
  6. Step 6: Final answer
    x = 110,455.94

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.