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Finding the Third Proportional to 35,557.50 and 51,873

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Solution

The third proportional to 35,557.50 and 51,873 is: 75,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.50 : 51,873 = 51,873 : x
  2. Step 2: Convert to fraction form
    35,557.50/51,873 = 51,873/x
  3. Step 3: Cross multiply
    35,557.50x = 51,873 × 51,873
  4. Step 4: Simplify right side
    35,557.50x = 2,690,808,129
  5. Step 5: Solve for x
    x = 2,690,808,129/35,557.50
  6. Step 6: Final answer
    x = 75,674.84

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.