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Finding the Third Proportional to 21,351.50 and 36,400.50

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Solution

The third proportional to 21,351.50 and 36,400.50 is: 62,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.50 : 36,400.50 = 36,400.50 : x
  2. Step 2: Convert to fraction form
    21,351.50/36,400.50 = 36,400.50/x
  3. Step 3: Cross multiply
    21,351.50x = 36,400.50 × 36,400.50
  4. Step 4: Simplify right side
    21,351.50x = 1,324,996,400.25
  5. Step 5: Solve for x
    x = 1,324,996,400.25/21,351.50
  6. Step 6: Final answer
    x = 62,056.36

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.