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Finding the Third Proportional to 37,420.50 and 56,130

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Solution

The third proportional to 37,420.50 and 56,130 is: 84,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.50 : 56,130 = 56,130 : x
  2. Step 2: Convert to fraction form
    37,420.50/56,130 = 56,130/x
  3. Step 3: Cross multiply
    37,420.50x = 56,130 × 56,130
  4. Step 4: Simplify right side
    37,420.50x = 3,150,576,900
  5. Step 5: Solve for x
    x = 3,150,576,900/37,420.50
  6. Step 6: Final answer
    x = 84,193.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.