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Finding the Third Proportional to 1,666 and 2,549.50

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Solution

The third proportional to 1,666 and 2,549.50 is: 3,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666 : 2,549.50 = 2,549.50 : x
  2. Step 2: Convert to fraction form
    1,666/2,549.50 = 2,549.50/x
  3. Step 3: Cross multiply
    1,666x = 2,549.50 × 2,549.50
  4. Step 4: Simplify right side
    1,666x = 6,499,950.25
  5. Step 5: Solve for x
    x = 6,499,950.25/1,666
  6. Step 6: Final answer
    x = 3,901.53

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.