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Finding the Third Proportional to 1,762.50 and 3,889.13

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Solution

The third proportional to 1,762.50 and 3,889.13 is: 8,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.50 : 3,889.13 = 3,889.13 : x
  2. Step 2: Convert to fraction form
    1,762.50/3,889.13 = 3,889.13/x
  3. Step 3: Cross multiply
    1,762.50x = 3,889.13 × 3,889.13
  4. Step 4: Simplify right side
    1,762.50x = 15,125,293.27
  5. Step 5: Solve for x
    x = 15,125,293.27/1,762.50
  6. Step 6: Final answer
    x = 8,581.73

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.